69469840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1000

約数の個数: 80

約数和(自身を含む): 178381440

約数和(自身を除く): 108911600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 880, 887, 890, 979, 1424, 1774, 1780, 1958, 3548, 3560, 3916, 4435, 4895, 7096, 7120, 7832, 8870, 9757, 9790, 14192, 15664, 17740, 19514, 19580, 35480, 39028, 39160, 48785, 70960, 78056, 78320, 78943, 97570, 156112, 157886, 195140, 315772, 390280, 394715, 631544, 780560, 789430, 868373, 1263088, 1578860, 1736746, 3157720, 3473492, 4341865, 6315440, 6946984, 8683730, 13893968, 17367460, 34734920, 69469840]

約数ペア:

[(1, 69469840), (2, 34734920), (4, 17367460), (5, 13893968), (8, 8683730), (10, 6946984), (11, 6315440), (16, 4341865), (20, 3473492), (22, 3157720), (40, 1736746), (44, 1578860), (55, 1263088), (80, 868373), (88, 789430), (89, 780560), (110, 631544), (176, 394715), (178, 390280), (220, 315772), (356, 195140), (440, 157886), (445, 156112), (712, 97570), (880, 78943), (887, 78320), (890, 78056), (979, 70960), (1424, 48785), (1774, 39160), (1780, 39028), (1958, 35480), (3548, 19580), (3560, 19514), (3916, 17740), (4435, 15664), (4895, 14192), (7096, 9790), (7120, 9757), (7832, 8870)]