90730000

素因数分解:

$2^4\times 5^4\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 100

約数和(自身を含む): 225840208

約数和(自身を除く): 135110208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 172, 200, 211, 215, 250, 344, 400, 422, 430, 500, 625, 688, 844, 860, 1000, 1055, 1075, 1250, 1688, 1720, 2000, 2110, 2150, 2500, 3376, 3440, 4220, 4300, 5000, 5275, 5375, 8440, 8600, 9073, 10000, 10550, 10750, 16880, 17200, 18146, 21100, 21500, 26375, 26875, 36292, 42200, 43000, 45365, 52750, 53750, 72584, 84400, 86000, 90730, 105500, 107500, 131875, 145168, 181460, 211000, 215000, 226825, 263750, 362920, 422000, 430000, 453650, 527500, 725840, 907300, 1055000, 1134125, 1814600, 2110000, 2268250, 3629200, 4536500, 5670625, 9073000, 11341250, 18146000, 22682500, 45365000, 90730000]

約数ペア:

[(1, 90730000), (2, 45365000), (4, 22682500), (5, 18146000), (8, 11341250), (10, 9073000), (16, 5670625), (20, 4536500), (25, 3629200), (40, 2268250), (43, 2110000), (50, 1814600), (80, 1134125), (86, 1055000), (100, 907300), (125, 725840), (172, 527500), (200, 453650), (211, 430000), (215, 422000), (250, 362920), (344, 263750), (400, 226825), (422, 215000), (430, 211000), (500, 181460), (625, 145168), (688, 131875), (844, 107500), (860, 105500), (1000, 90730), (1055, 86000), (1075, 84400), (1250, 72584), (1688, 53750), (1720, 52750), (2000, 45365), (2110, 43000), (2150, 42200), (2500, 36292), (3376, 26875), (3440, 26375), (4220, 21500), (4300, 21100), (5000, 18146), (5275, 17200), (5375, 16880), (8440, 10750), (8600, 10550), (9073, 10000)]