90568972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 187787600

約数和(自身を除く): 97218628

約数列:

[1, 2, 4, 13, 19, 26, 29, 38, 52, 58, 76, 109, 116, 218, 247, 377, 436, 494, 551, 754, 841, 988, 1102, 1417, 1508, 1682, 2071, 2204, 2834, 3161, 3364, 4142, 5668, 6322, 7163, 8284, 10933, 12644, 14326, 15979, 21866, 26923, 28652, 31958, 41093, 43732, 53846, 60059, 63916, 82186, 91669, 107692, 120118, 164372, 183338, 207727, 240236, 366676, 415454, 780767, 830908, 1191697, 1561534, 1741711, 2383394, 3123068, 3483422, 4766788, 6966844, 22642243, 45284486, 90568972]

約数ペア:

[(1, 90568972), (2, 45284486), (4, 22642243), (13, 6966844), (19, 4766788), (26, 3483422), (29, 3123068), (38, 2383394), (52, 1741711), (58, 1561534), (76, 1191697), (109, 830908), (116, 780767), (218, 415454), (247, 366676), (377, 240236), (436, 207727), (494, 183338), (551, 164372), (754, 120118), (841, 107692), (988, 91669), (1102, 82186), (1417, 63916), (1508, 60059), (1682, 53846), (2071, 43732), (2204, 41093), (2834, 31958), (3161, 28652), (3364, 26923), (4142, 21866), (5668, 15979), (6322, 14326), (7163, 12644), (8284, 10933)]