1900992940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{64969}}^1$

素因数の和:65015

約数の個数: 96

約数和(自身を含む): 5239180800

約数和(自身を除く): 3338187860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1330, 1463, 1540, 2090, 2660, 2926, 4180, 5852, 7315, 14630, 29260, 64969, 129938, 259876, 324845, 454783, 649690, 714659, 909566, 1234411, 1299380, 1429318, 1819132, 2273915, 2468822, 2858636, 3573295, 4547830, 4937644, 5002613, 6172055, 7146590, 8640877, 9095660, 10005226, 12344110, 13578521, 14293180, 17281754, 20010452, 24688220, 25013065, 27157042, 34563508, 43204385, 50026130, 54314084, 67892605, 86408770, 95049647, 100052260, 135785210, 172817540, 190099294, 271570420, 380198588, 475248235, 950496470, 1900992940]

約数ペア:

[(1, 1900992940), (2, 950496470), (4, 475248235), (5, 380198588), (7, 271570420), (10, 190099294), (11, 172817540), (14, 135785210), (19, 100052260), (20, 95049647), (22, 86408770), (28, 67892605), (35, 54314084), (38, 50026130), (44, 43204385), (55, 34563508), (70, 27157042), (76, 25013065), (77, 24688220), (95, 20010452), (110, 17281754), (133, 14293180), (140, 13578521), (154, 12344110), (190, 10005226), (209, 9095660), (220, 8640877), (266, 7146590), (308, 6172055), (380, 5002613), (385, 4937644), (418, 4547830), (532, 3573295), (665, 2858636), (770, 2468822), (836, 2273915), (1045, 1819132), (1330, 1429318), (1463, 1299380), (1540, 1234411), (2090, 909566), (2660, 714659), (2926, 649690), (4180, 454783), (5852, 324845), (7315, 259876), (14630, 129938), (29260, 64969)]