28857535540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{961277}}^1$

素因数の和:961384

約数の個数: 48

約数和(自身を含む): 64597881600

約数和(自身を除く): 35740346060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010, 30020, 961277, 1922554, 3845108, 4806385, 9612770, 18264263, 19225540, 36528526, 73057052, 75940883, 91321315, 151881766, 182642630, 303763532, 365285260, 379704415, 759408830, 1442876777, 1518817660, 2885753554, 5771507108, 7214383885, 14428767770, 28857535540]

約数ペア:

[(1, 28857535540), (2, 14428767770), (4, 7214383885), (5, 5771507108), (10, 2885753554), (19, 1518817660), (20, 1442876777), (38, 759408830), (76, 379704415), (79, 365285260), (95, 303763532), (158, 182642630), (190, 151881766), (316, 91321315), (380, 75940883), (395, 73057052), (790, 36528526), (1501, 19225540), (1580, 18264263), (3002, 9612770), (6004, 4806385), (7505, 3845108), (15010, 1922554), (30020, 961277)]