1645954420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3823}}^1$

素因数の和:3965

約数の個数: 96

約数和(自身を含む): 4008775680

約数和(自身を除く): 2362821260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 103, 110, 190, 206, 209, 220, 380, 412, 418, 515, 836, 1030, 1045, 1133, 1957, 2060, 2090, 2266, 3823, 3914, 4180, 4532, 5665, 7646, 7828, 9785, 11330, 15292, 19115, 19570, 21527, 22660, 38230, 39140, 42053, 43054, 72637, 76460, 84106, 86108, 107635, 145274, 168212, 210265, 215270, 290548, 363185, 393769, 420530, 430540, 726370, 787538, 799007, 841060, 1452740, 1575076, 1598014, 1968845, 3196028, 3937690, 3995035, 4331459, 7481611, 7875380, 7990070, 8662918, 14963222, 15980140, 17325836, 21657295, 29926444, 37408055, 43314590, 74816110, 82297721, 86629180, 149632220, 164595442, 329190884, 411488605, 822977210, 1645954420]

約数ペア:

[(1, 1645954420), (2, 822977210), (4, 411488605), (5, 329190884), (10, 164595442), (11, 149632220), (19, 86629180), (20, 82297721), (22, 74816110), (38, 43314590), (44, 37408055), (55, 29926444), (76, 21657295), (95, 17325836), (103, 15980140), (110, 14963222), (190, 8662918), (206, 7990070), (209, 7875380), (220, 7481611), (380, 4331459), (412, 3995035), (418, 3937690), (515, 3196028), (836, 1968845), (1030, 1598014), (1045, 1575076), (1133, 1452740), (1957, 841060), (2060, 799007), (2090, 787538), (2266, 726370), (3823, 430540), (3914, 420530), (4180, 393769), (4532, 363185), (5665, 290548), (7646, 215270), (7828, 210265), (9785, 168212), (11330, 145274), (15292, 107635), (19115, 86108), (19570, 84106), (21527, 76460), (22660, 72637), (38230, 43054), (39140, 42053)]