22152988220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1\times {\mathrm{1531}}^1$

素因数の和:2379

約数の個数: 96

約数和(自身を含む): 51423724800

約数和(自身を除く): 29270736580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 739, 890, 979, 1478, 1531, 1780, 1958, 2956, 3062, 3695, 3916, 4895, 6124, 7390, 7655, 8129, 9790, 14780, 15310, 16258, 16841, 19580, 30620, 32516, 33682, 40645, 65771, 67364, 81290, 84205, 131542, 136259, 162580, 168410, 263084, 272518, 328855, 336820, 545036, 657710, 681295, 723481, 1131409, 1315420, 1362590, 1446962, 1498849, 2262818, 2725180, 2893924, 2997698, 3617405, 4525636, 5657045, 5995396, 7234810, 7494245, 11314090, 12445499, 14469620, 14988490, 22628180, 24890998, 29976980, 49781996, 62227495, 100695401, 124454990, 201390802, 248909980, 402781604, 503477005, 1006954010, 1107649411, 2013908020, 2215298822, 4430597644, 5538247055, 11076494110, 22152988220]

約数ペア:

[(1, 22152988220), (2, 11076494110), (4, 5538247055), (5, 4430597644), (10, 2215298822), (11, 2013908020), (20, 1107649411), (22, 1006954010), (44, 503477005), (55, 402781604), (89, 248909980), (110, 201390802), (178, 124454990), (220, 100695401), (356, 62227495), (445, 49781996), (739, 29976980), (890, 24890998), (979, 22628180), (1478, 14988490), (1531, 14469620), (1780, 12445499), (1958, 11314090), (2956, 7494245), (3062, 7234810), (3695, 5995396), (3916, 5657045), (4895, 4525636), (6124, 3617405), (7390, 2997698), (7655, 2893924), (8129, 2725180), (9790, 2262818), (14780, 1498849), (15310, 1446962), (16258, 1362590), (16841, 1315420), (19580, 1131409), (30620, 723481), (32516, 681295), (33682, 657710), (40645, 545036), (65771, 336820), (67364, 328855), (81290, 272518), (84205, 263084), (131542, 168410), (136259, 162580)]