81449620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1667}}^1$

素因数の和:2032

約数の個数: 48

約数和(自身を含む): 196156800

約数和(自身を除く): 114707180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 698, 1396, 1667, 1745, 2443, 3334, 3490, 4886, 6668, 6980, 8335, 9772, 11669, 12215, 16670, 23338, 24430, 33340, 46676, 48860, 58345, 116690, 233380, 581783, 1163566, 2327132, 2908915, 4072481, 5817830, 8144962, 11635660, 16289924, 20362405, 40724810, 81449620]

約数ペア:

[(1, 81449620), (2, 40724810), (4, 20362405), (5, 16289924), (7, 11635660), (10, 8144962), (14, 5817830), (20, 4072481), (28, 2908915), (35, 2327132), (70, 1163566), (140, 581783), (349, 233380), (698, 116690), (1396, 58345), (1667, 48860), (1745, 46676), (2443, 33340), (3334, 24430), (3490, 23338), (4886, 16670), (6668, 12215), (6980, 11669), (8335, 9772)]