71876420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4243}}^1$

素因数の和:4281

約数の個数: 72

約数和(自身を含む): 189655872

約数和(自身を除く): 117779452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 4243, 8470, 8486, 16940, 16972, 21215, 29701, 42430, 46673, 59402, 84860, 93346, 118804, 148505, 186692, 233365, 297010, 326711, 466730, 513403, 594020, 653422, 933460, 1026806, 1306844, 1633555, 2053612, 2567015, 3267110, 3593821, 5134030, 6534220, 7187642, 10268060, 14375284, 17969105, 35938210, 71876420]

約数ペア:

[(1, 71876420), (2, 35938210), (4, 17969105), (5, 14375284), (7, 10268060), (10, 7187642), (11, 6534220), (14, 5134030), (20, 3593821), (22, 3267110), (28, 2567015), (35, 2053612), (44, 1633555), (55, 1306844), (70, 1026806), (77, 933460), (110, 653422), (121, 594020), (140, 513403), (154, 466730), (220, 326711), (242, 297010), (308, 233365), (385, 186692), (484, 148505), (605, 118804), (770, 93346), (847, 84860), (1210, 59402), (1540, 46673), (1694, 42430), (2420, 29701), (3388, 21215), (4235, 16972), (4243, 16940), (8470, 8486)]