219586640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 664957440

約数和(自身を除く): 445370800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 80, 91, 98, 104, 112, 124, 130, 139, 140, 155, 182, 196, 208, 217, 245, 248, 260, 278, 280, 310, 364, 392, 403, 434, 455, 490, 496, 520, 556, 560, 620, 637, 695, 728, 784, 806, 868, 910, 973, 980, 1040, 1085, 1112, 1240, 1274, 1390, 1456, 1519, 1612, 1736, 1807, 1820, 1946, 1960, 2015, 2170, 2224, 2480, 2548, 2780, 2821, 3038, 3185, 3224, 3472, 3614, 3640, 3892, 3920, 4030, 4309, 4340, 4865, 5096, 5560, 5642, 6076, 6370, 6448, 6811, 7228, 7280, 7595, 7784, 8060, 8618, 8680, 9035, 9730, 10192, 11120, 11284, 12152, 12649, 12740, 13622, 14105, 14456, 15190, 15568, 16120, 17236, 17360, 18070, 19460, 19747, 21545, 22568, 24304, 25298, 25480, 27244, 28210, 28912, 30163, 30380, 32240, 34055, 34472, 36140, 38920, 39494, 43090, 45136, 50596, 50960, 54488, 56017, 56420, 60326, 60760, 63245, 68110, 68944, 72280, 77840, 78988, 86180, 88543, 98735, 101192, 108976, 112034, 112840, 120652, 121520, 126490, 136220, 144560, 150815, 157976, 172360, 177086, 197470, 202384, 211141, 224068, 225680, 241304, 252980, 272440, 280085, 301630, 315952, 344720, 354172, 392119, 394940, 422282, 442715, 448136, 482608, 505960, 544880, 560170, 603260, 708344, 784238, 789880, 844564, 885430, 896272, 1011920, 1055705, 1120340, 1206520, 1416688, 1568476, 1579760, 1689128, 1770860, 1960595, 2111410, 2240680, 2413040, 2744833, 3136952, 3378256, 3541720, 3921190, 4222820, 4481360, 5489666, 6273904, 7083440, 7842380, 8445640, 10979332, 13724165, 15684760, 16891280, 21958664, 27448330, 31369520, 43917328, 54896660, 109793320, 219586640]

約数ペア:

[(1, 219586640), (2, 109793320), (4, 54896660), (5, 43917328), (7, 31369520), (8, 27448330), (10, 21958664), (13, 16891280), (14, 15684760), (16, 13724165), (20, 10979332), (26, 8445640), (28, 7842380), (31, 7083440), (35, 6273904), (40, 5489666), (49, 4481360), (52, 4222820), (56, 3921190), (62, 3541720), (65, 3378256), (70, 3136952), (80, 2744833), (91, 2413040), (98, 2240680), (104, 2111410), (112, 1960595), (124, 1770860), (130, 1689128), (139, 1579760), (140, 1568476), (155, 1416688), (182, 1206520), (196, 1120340), (208, 1055705), (217, 1011920), (245, 896272), (248, 885430), (260, 844564), (278, 789880), (280, 784238), (310, 708344), (364, 603260), (392, 560170), (403, 544880), (434, 505960), (455, 482608), (490, 448136), (496, 442715), (520, 422282), (556, 394940), (560, 392119), (620, 354172), (637, 344720), (695, 315952), (728, 301630), (784, 280085), (806, 272440), (868, 252980), (910, 241304), (973, 225680), (980, 224068), (1040, 211141), (1085, 202384), (1112, 197470), (1240, 177086), (1274, 172360), (1390, 157976), (1456, 150815), (1519, 144560), (1612, 136220), (1736, 126490), (1807, 121520), (1820, 120652), (1946, 112840), (1960, 112034), (2015, 108976), (2170, 101192), (2224, 98735), (2480, 88543), (2548, 86180), (2780, 78988), (2821, 77840), (3038, 72280), (3185, 68944), (3224, 68110), (3472, 63245), (3614, 60760), (3640, 60326), (3892, 56420), (3920, 56017), (4030, 54488), (4309, 50960), (4340, 50596), (4865, 45136), (5096, 43090), (5560, 39494), (5642, 38920), (6076, 36140), (6370, 34472), (6448, 34055), (6811, 32240), (7228, 30380), (7280, 30163), (7595, 28912), (7784, 28210), (8060, 27244), (8618, 25480), (8680, 25298), (9035, 24304), (9730, 22568), (10192, 21545), (11120, 19747), (11284, 19460), (12152, 18070), (12649, 17360), (12740, 17236), (13622, 16120), (14105, 15568), (14456, 15190)]