219870800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{23899}}^1$

素因数の和:23940

約数の個数: 60

約数和(自身を含む): 551229600

約数和(自身を除く): 331358800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2300, 4600, 9200, 23899, 47798, 95596, 119495, 191192, 238990, 382384, 477980, 549677, 597475, 955960, 1099354, 1194950, 1911920, 2198708, 2389900, 2748385, 4397416, 4779800, 5496770, 8794832, 9559600, 10993540, 13741925, 21987080, 27483850, 43974160, 54967700, 109935400, 219870800]

約数ペア:

[(1, 219870800), (2, 109935400), (4, 54967700), (5, 43974160), (8, 27483850), (10, 21987080), (16, 13741925), (20, 10993540), (23, 9559600), (25, 8794832), (40, 5496770), (46, 4779800), (50, 4397416), (80, 2748385), (92, 2389900), (100, 2198708), (115, 1911920), (184, 1194950), (200, 1099354), (230, 955960), (368, 597475), (400, 549677), (460, 477980), (575, 382384), (920, 238990), (1150, 191192), (1840, 119495), (2300, 95596), (4600, 47798), (9200, 23899)]