318947860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29587}}^1$

素因数の和:29621

約数の個数: 72

約数和(自身を含む): 850004064

約数和(自身を除く): 531056204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 29587, 59174, 118348, 147935, 207109, 295870, 325457, 414218, 591740, 650914, 828436, 1035545, 1301828, 1449763, 1627285, 2071090, 2278199, 2899526, 3254570, 4142180, 4556398, 5799052, 6509140, 7248815, 9112796, 11390995, 14497630, 15947393, 22781990, 28995260, 31894786, 45563980, 63789572, 79736965, 159473930, 318947860]

約数ペア:

[(1, 318947860), (2, 159473930), (4, 79736965), (5, 63789572), (7, 45563980), (10, 31894786), (11, 28995260), (14, 22781990), (20, 15947393), (22, 14497630), (28, 11390995), (35, 9112796), (44, 7248815), (49, 6509140), (55, 5799052), (70, 4556398), (77, 4142180), (98, 3254570), (110, 2899526), (140, 2278199), (154, 2071090), (196, 1627285), (220, 1449763), (245, 1301828), (308, 1035545), (385, 828436), (490, 650914), (539, 591740), (770, 414218), (980, 325457), (1078, 295870), (1540, 207109), (2156, 147935), (2695, 118348), (5390, 59174), (10780, 29587)]