290955280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:497

約数の個数: 160

約数和(自身を含む): 851731200

約数和(自身を除く): 560775920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 149, 154, 176, 220, 280, 298, 308, 317, 385, 440, 560, 596, 616, 634, 745, 770, 880, 1043, 1192, 1232, 1268, 1490, 1540, 1585, 1639, 2086, 2219, 2384, 2536, 2980, 3080, 3170, 3278, 3487, 4172, 4438, 5072, 5215, 5960, 6160, 6340, 6556, 6974, 8195, 8344, 8876, 10430, 11095, 11473, 11920, 12680, 13112, 13948, 16390, 16688, 17435, 17752, 20860, 22190, 22946, 24409, 25360, 26224, 27896, 32780, 34870, 35504, 41720, 44380, 45892, 47233, 48818, 55792, 57365, 65560, 69740, 83440, 88760, 91784, 94466, 97636, 114730, 122045, 131120, 139480, 177520, 183568, 188932, 195272, 229460, 236165, 244090, 278960, 330631, 377864, 390544, 458920, 472330, 488180, 519563, 661262, 755728, 917840, 944660, 976360, 1039126, 1322524, 1653155, 1889320, 1952720, 2078252, 2597815, 2645048, 3306310, 3636941, 3778640, 4156504, 5195630, 5290096, 6612620, 7273882, 8313008, 10391260, 13225240, 14547764, 18184705, 20782520, 26450480, 29095528, 36369410, 41565040, 58191056, 72738820, 145477640, 290955280]

約数ペア:

[(1, 290955280), (2, 145477640), (4, 72738820), (5, 58191056), (7, 41565040), (8, 36369410), (10, 29095528), (11, 26450480), (14, 20782520), (16, 18184705), (20, 14547764), (22, 13225240), (28, 10391260), (35, 8313008), (40, 7273882), (44, 6612620), (55, 5290096), (56, 5195630), (70, 4156504), (77, 3778640), (80, 3636941), (88, 3306310), (110, 2645048), (112, 2597815), (140, 2078252), (149, 1952720), (154, 1889320), (176, 1653155), (220, 1322524), (280, 1039126), (298, 976360), (308, 944660), (317, 917840), (385, 755728), (440, 661262), (560, 519563), (596, 488180), (616, 472330), (634, 458920), (745, 390544), (770, 377864), (880, 330631), (1043, 278960), (1192, 244090), (1232, 236165), (1268, 229460), (1490, 195272), (1540, 188932), (1585, 183568), (1639, 177520), (2086, 139480), (2219, 131120), (2384, 122045), (2536, 114730), (2980, 97636), (3080, 94466), (3170, 91784), (3278, 88760), (3487, 83440), (4172, 69740), (4438, 65560), (5072, 57365), (5215, 55792), (5960, 48818), (6160, 47233), (6340, 45892), (6556, 44380), (6974, 41720), (8195, 35504), (8344, 34870), (8876, 32780), (10430, 27896), (11095, 26224), (11473, 25360), (11920, 24409), (12680, 22946), (13112, 22190), (13948, 20860), (16390, 17752), (16688, 17435)]