22871420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 56932512

約数和(自身を除く): 34061092

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 727, 1210, 1430, 1454, 1573, 2420, 2860, 2908, 3146, 3635, 6292, 7270, 7865, 7997, 9451, 14540, 15730, 15994, 18902, 31460, 31988, 37804, 39985, 47255, 79970, 87967, 94510, 103961, 159940, 175934, 189020, 207922, 351868, 415844, 439835, 519805, 879670, 1039610, 1143571, 1759340, 2079220, 2287142, 4574284, 5717855, 11435710, 22871420]

約数ペア:

[(1, 22871420), (2, 11435710), (4, 5717855), (5, 4574284), (10, 2287142), (11, 2079220), (13, 1759340), (20, 1143571), (22, 1039610), (26, 879670), (44, 519805), (52, 439835), (55, 415844), (65, 351868), (110, 207922), (121, 189020), (130, 175934), (143, 159940), (220, 103961), (242, 94510), (260, 87967), (286, 79970), (484, 47255), (572, 39985), (605, 37804), (715, 31988), (727, 31460), (1210, 18902), (1430, 15994), (1454, 15730), (1573, 14540), (2420, 9451), (2860, 7997), (2908, 7865), (3146, 7270), (3635, 6292)]