217810000

素因数分解:

$2^4\times 5^4\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:998

約数の個数: 100

約数和(自身を含む): 550848672

約数和(自身を除く): 333038672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 460, 500, 575, 625, 920, 947, 1000, 1150, 1250, 1840, 1894, 2000, 2300, 2500, 2875, 3788, 4600, 4735, 5000, 5750, 7576, 9200, 9470, 10000, 11500, 14375, 15152, 18940, 21781, 23000, 23675, 28750, 37880, 43562, 46000, 47350, 57500, 75760, 87124, 94700, 108905, 115000, 118375, 174248, 189400, 217810, 230000, 236750, 348496, 378800, 435620, 473500, 544525, 591875, 871240, 947000, 1089050, 1183750, 1742480, 1894000, 2178100, 2367500, 2722625, 4356200, 4735000, 5445250, 8712400, 9470000, 10890500, 13613125, 21781000, 27226250, 43562000, 54452500, 108905000, 217810000]

約数ペア:

[(1, 217810000), (2, 108905000), (4, 54452500), (5, 43562000), (8, 27226250), (10, 21781000), (16, 13613125), (20, 10890500), (23, 9470000), (25, 8712400), (40, 5445250), (46, 4735000), (50, 4356200), (80, 2722625), (92, 2367500), (100, 2178100), (115, 1894000), (125, 1742480), (184, 1183750), (200, 1089050), (230, 947000), (250, 871240), (368, 591875), (400, 544525), (460, 473500), (500, 435620), (575, 378800), (625, 348496), (920, 236750), (947, 230000), (1000, 217810), (1150, 189400), (1250, 174248), (1840, 118375), (1894, 115000), (2000, 108905), (2300, 94700), (2500, 87124), (2875, 75760), (3788, 57500), (4600, 47350), (4735, 46000), (5000, 43562), (5750, 37880), (7576, 28750), (9200, 23675), (9470, 23000), (10000, 21781), (11500, 18940), (14375, 15152)]