966187420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{2543}}^1$

素因数の和:2731

約数の個数: 72

約数和(自身を含む): 2245303872

約数和(自身を除く): 1279116452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 157, 220, 242, 314, 484, 605, 628, 785, 1210, 1570, 1727, 2420, 2543, 3140, 3454, 5086, 6908, 8635, 10172, 12715, 17270, 18997, 25430, 27973, 34540, 37994, 50860, 55946, 75988, 94985, 111892, 139865, 189970, 279730, 307703, 379940, 399251, 559460, 615406, 798502, 1230812, 1538515, 1597004, 1996255, 3077030, 3992510, 4391761, 6154060, 7985020, 8783522, 17567044, 21958805, 43917610, 48309371, 87835220, 96618742, 193237484, 241546855, 483093710, 966187420]

約数ペア:

[(1, 966187420), (2, 483093710), (4, 241546855), (5, 193237484), (10, 96618742), (11, 87835220), (20, 48309371), (22, 43917610), (44, 21958805), (55, 17567044), (110, 8783522), (121, 7985020), (157, 6154060), (220, 4391761), (242, 3992510), (314, 3077030), (484, 1996255), (605, 1597004), (628, 1538515), (785, 1230812), (1210, 798502), (1570, 615406), (1727, 559460), (2420, 399251), (2543, 379940), (3140, 307703), (3454, 279730), (5086, 189970), (6908, 139865), (8635, 111892), (10172, 94985), (12715, 75988), (17270, 55946), (18997, 50860), (25430, 37994), (27973, 34540)]