89539780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 223211520

約数和(自身を除く): 133671740

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 310, 341, 380, 418, 589, 620, 682, 691, 836, 1045, 1178, 1364, 1382, 1705, 2090, 2356, 2764, 2945, 3410, 3455, 4180, 5890, 6479, 6820, 6910, 7601, 11780, 12958, 13129, 13820, 15202, 21421, 25916, 26258, 30404, 32395, 38005, 42842, 52516, 64790, 65645, 76010, 85684, 107105, 129580, 131290, 144419, 152020, 214210, 235631, 262580, 288838, 406999, 428420, 471262, 577676, 722095, 813998, 942524, 1178155, 1444190, 1627996, 2034995, 2356310, 2888380, 4069990, 4476989, 4712620, 8139980, 8953978, 17907956, 22384945, 44769890, 89539780]

約数ペア:

[(1, 89539780), (2, 44769890), (4, 22384945), (5, 17907956), (10, 8953978), (11, 8139980), (19, 4712620), (20, 4476989), (22, 4069990), (31, 2888380), (38, 2356310), (44, 2034995), (55, 1627996), (62, 1444190), (76, 1178155), (95, 942524), (110, 813998), (124, 722095), (155, 577676), (190, 471262), (209, 428420), (220, 406999), (310, 288838), (341, 262580), (380, 235631), (418, 214210), (589, 152020), (620, 144419), (682, 131290), (691, 129580), (836, 107105), (1045, 85684), (1178, 76010), (1364, 65645), (1382, 64790), (1705, 52516), (2090, 42842), (2356, 38005), (2764, 32395), (2945, 30404), (3410, 26258), (3455, 25916), (4180, 21421), (5890, 15202), (6479, 13820), (6820, 13129), (6910, 12958), (7601, 11780)]