13985140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 33604200

約数和(自身を除く): 19619060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 149, 190, 247, 260, 298, 361, 380, 494, 596, 722, 745, 988, 1235, 1444, 1490, 1805, 1937, 2470, 2831, 2980, 3610, 3874, 4693, 4940, 5662, 7220, 7748, 9386, 9685, 11324, 14155, 18772, 19370, 23465, 28310, 36803, 38740, 46930, 53789, 56620, 73606, 93860, 107578, 147212, 184015, 215156, 268945, 368030, 537890, 699257, 736060, 1075780, 1398514, 2797028, 3496285, 6992570, 13985140]

約数ペア:

[(1, 13985140), (2, 6992570), (4, 3496285), (5, 2797028), (10, 1398514), (13, 1075780), (19, 736060), (20, 699257), (26, 537890), (38, 368030), (52, 268945), (65, 215156), (76, 184015), (95, 147212), (130, 107578), (149, 93860), (190, 73606), (247, 56620), (260, 53789), (298, 46930), (361, 38740), (380, 36803), (494, 28310), (596, 23465), (722, 19370), (745, 18772), (988, 14155), (1235, 11324), (1444, 9685), (1490, 9386), (1805, 7748), (1937, 7220), (2470, 5662), (2831, 4940), (2980, 4693), (3610, 3874)]