291977840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 240

約数和(自身を含む): 886609920

約数和(自身を除く): 594632080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 121, 124, 139, 140, 154, 155, 176, 217, 220, 242, 248, 278, 280, 308, 310, 341, 385, 434, 440, 484, 496, 556, 560, 605, 616, 620, 682, 695, 770, 847, 868, 880, 968, 973, 1085, 1112, 1210, 1232, 1240, 1364, 1390, 1529, 1540, 1694, 1705, 1736, 1936, 1946, 2170, 2224, 2387, 2420, 2480, 2728, 2780, 3058, 3080, 3388, 3410, 3472, 3751, 3892, 4235, 4309, 4340, 4774, 4840, 4865, 5456, 5560, 6116, 6160, 6776, 6820, 7502, 7645, 7784, 8470, 8618, 8680, 9548, 9680, 9730, 10703, 11120, 11935, 12232, 13552, 13640, 15004, 15290, 15568, 16819, 16940, 17236, 17360, 18755, 19096, 19460, 21406, 21545, 23870, 24464, 26257, 27280, 30008, 30163, 30580, 33638, 33880, 34472, 37510, 38192, 38920, 42812, 43090, 47399, 47740, 52514, 53515, 60016, 60326, 61160, 67276, 67760, 68944, 75020, 77840, 84095, 85624, 86180, 94798, 95480, 105028, 107030, 117733, 120652, 122320, 131285, 134552, 150040, 150815, 168190, 171248, 172360, 189596, 190960, 210056, 214060, 235466, 236995, 241304, 262570, 269104, 300080, 301630, 331793, 336380, 344720, 379192, 420112, 428120, 470932, 473990, 482608, 521389, 525140, 588665, 603260, 663586, 672760, 758384, 856240, 941864, 947980, 1042778, 1050280, 1177330, 1206520, 1327172, 1345520, 1658965, 1883728, 1895960, 2085556, 2100560, 2354660, 2413040, 2606945, 2654344, 3317930, 3649723, 3791920, 4171112, 4709320, 5213890, 5308688, 6635860, 7299446, 8342224, 9418640, 10427780, 13271720, 14598892, 18248615, 20855560, 26543440, 29197784, 36497230, 41711120, 58395568, 72994460, 145988920, 291977840]

約数ペア:

[(1, 291977840), (2, 145988920), (4, 72994460), (5, 58395568), (7, 41711120), (8, 36497230), (10, 29197784), (11, 26543440), (14, 20855560), (16, 18248615), (20, 14598892), (22, 13271720), (28, 10427780), (31, 9418640), (35, 8342224), (40, 7299446), (44, 6635860), (55, 5308688), (56, 5213890), (62, 4709320), (70, 4171112), (77, 3791920), (80, 3649723), (88, 3317930), (110, 2654344), (112, 2606945), (121, 2413040), (124, 2354660), (139, 2100560), (140, 2085556), (154, 1895960), (155, 1883728), (176, 1658965), (217, 1345520), (220, 1327172), (242, 1206520), (248, 1177330), (278, 1050280), (280, 1042778), (308, 947980), (310, 941864), (341, 856240), (385, 758384), (434, 672760), (440, 663586), (484, 603260), (496, 588665), (556, 525140), (560, 521389), (605, 482608), (616, 473990), (620, 470932), (682, 428120), (695, 420112), (770, 379192), (847, 344720), (868, 336380), (880, 331793), (968, 301630), (973, 300080), (1085, 269104), (1112, 262570), (1210, 241304), (1232, 236995), (1240, 235466), (1364, 214060), (1390, 210056), (1529, 190960), (1540, 189596), (1694, 172360), (1705, 171248), (1736, 168190), (1936, 150815), (1946, 150040), (2170, 134552), (2224, 131285), (2387, 122320), (2420, 120652), (2480, 117733), (2728, 107030), (2780, 105028), (3058, 95480), (3080, 94798), (3388, 86180), (3410, 85624), (3472, 84095), (3751, 77840), (3892, 75020), (4235, 68944), (4309, 67760), (4340, 67276), (4774, 61160), (4840, 60326), (4865, 60016), (5456, 53515), (5560, 52514), (6116, 47740), (6160, 47399), (6776, 43090), (6820, 42812), (7502, 38920), (7645, 38192), (7784, 37510), (8470, 34472), (8618, 33880), (8680, 33638), (9548, 30580), (9680, 30163), (9730, 30008), (10703, 27280), (11120, 26257), (11935, 24464), (12232, 23870), (13552, 21545), (13640, 21406), (15004, 19460), (15290, 19096), (15568, 18755), (16819, 17360), (16940, 17236)]