90602000

素因数分解:

$2^4\times 5^3\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:621

約数の個数: 80

約数和(自身を含む): 221972400

約数和(自身を除く): 131370400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 125, 178, 200, 250, 356, 400, 445, 500, 509, 712, 890, 1000, 1018, 1424, 1780, 2000, 2036, 2225, 2545, 3560, 4072, 4450, 5090, 7120, 8144, 8900, 10180, 11125, 12725, 17800, 20360, 22250, 25450, 35600, 40720, 44500, 45301, 50900, 63625, 89000, 90602, 101800, 127250, 178000, 181204, 203600, 226505, 254500, 362408, 453010, 509000, 724816, 906020, 1018000, 1132525, 1812040, 2265050, 3624080, 4530100, 5662625, 9060200, 11325250, 18120400, 22650500, 45301000, 90602000]

約数ペア:

[(1, 90602000), (2, 45301000), (4, 22650500), (5, 18120400), (8, 11325250), (10, 9060200), (16, 5662625), (20, 4530100), (25, 3624080), (40, 2265050), (50, 1812040), (80, 1132525), (89, 1018000), (100, 906020), (125, 724816), (178, 509000), (200, 453010), (250, 362408), (356, 254500), (400, 226505), (445, 203600), (500, 181204), (509, 178000), (712, 127250), (890, 101800), (1000, 90602), (1018, 89000), (1424, 63625), (1780, 50900), (2000, 45301), (2036, 44500), (2225, 40720), (2545, 35600), (3560, 25450), (4072, 22250), (4450, 20360), (5090, 17800), (7120, 12725), (8144, 11125), (8900, 10180)]