90975800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 225990000

約数和(自身を除く): 135014200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 89, 95, 100, 152, 178, 190, 200, 269, 356, 380, 445, 475, 538, 712, 760, 890, 950, 1076, 1345, 1691, 1780, 1900, 2152, 2225, 2690, 3382, 3560, 3800, 4450, 5111, 5380, 6725, 6764, 8455, 8900, 10222, 10760, 13450, 13528, 16910, 17800, 20444, 23941, 25555, 26900, 33820, 40888, 42275, 47882, 51110, 53800, 67640, 84550, 95764, 102220, 119705, 127775, 169100, 191528, 204440, 239410, 255550, 338200, 454879, 478820, 511100, 598525, 909758, 957640, 1022200, 1197050, 1819516, 2274395, 2394100, 3639032, 4548790, 4788200, 9097580, 11371975, 18195160, 22743950, 45487900, 90975800]

約数ペア:

[(1, 90975800), (2, 45487900), (4, 22743950), (5, 18195160), (8, 11371975), (10, 9097580), (19, 4788200), (20, 4548790), (25, 3639032), (38, 2394100), (40, 2274395), (50, 1819516), (76, 1197050), (89, 1022200), (95, 957640), (100, 909758), (152, 598525), (178, 511100), (190, 478820), (200, 454879), (269, 338200), (356, 255550), (380, 239410), (445, 204440), (475, 191528), (538, 169100), (712, 127775), (760, 119705), (890, 102220), (950, 95764), (1076, 84550), (1345, 67640), (1691, 53800), (1780, 51110), (1900, 47882), (2152, 42275), (2225, 40888), (2690, 33820), (3382, 26900), (3560, 25555), (3800, 23941), (4450, 20444), (5111, 17800), (5380, 16910), (6725, 13528), (6764, 13450), (8455, 10760), (8900, 10222)]