2193367180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 4799526480

約数和(自身を除く): 2606159300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 821, 961, 1390, 1642, 1922, 2780, 3284, 3844, 4105, 4309, 4805, 8210, 8618, 9610, 16420, 17236, 19220, 21545, 25451, 43090, 50902, 86180, 101804, 114119, 127255, 133579, 228238, 254510, 267158, 456476, 509020, 534316, 570595, 667895, 788981, 1141190, 1335790, 1577962, 2282380, 2671580, 3155924, 3537689, 3944905, 7075378, 7889810, 14150756, 15779620, 17688445, 35376890, 70753780, 109668359, 219336718, 438673436, 548341795, 1096683590, 2193367180]

約数ペア:

[(1, 2193367180), (2, 1096683590), (4, 548341795), (5, 438673436), (10, 219336718), (20, 109668359), (31, 70753780), (62, 35376890), (124, 17688445), (139, 15779620), (155, 14150756), (278, 7889810), (310, 7075378), (556, 3944905), (620, 3537689), (695, 3155924), (821, 2671580), (961, 2282380), (1390, 1577962), (1642, 1335790), (1922, 1141190), (2780, 788981), (3284, 667895), (3844, 570595), (4105, 534316), (4309, 509020), (4805, 456476), (8210, 267158), (8618, 254510), (9610, 228238), (16420, 133579), (17236, 127255), (19220, 114119), (21545, 101804), (25451, 86180), (43090, 50902)]