203125760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:531

約数の個数: 88

約数和(自身を含む): 493490760

約数和(自身を除く): 290365000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 409, 485, 512, 640, 776, 818, 970, 1024, 1280, 1552, 1636, 1940, 2045, 2560, 3104, 3272, 3880, 4090, 5120, 6208, 6544, 7760, 8180, 12416, 13088, 15520, 16360, 24832, 26176, 31040, 32720, 39673, 49664, 52352, 62080, 65440, 79346, 99328, 104704, 124160, 130880, 158692, 198365, 209408, 248320, 261760, 317384, 396730, 418816, 496640, 523520, 634768, 793460, 1047040, 1269536, 1586920, 2094080, 2539072, 3173840, 5078144, 6347680, 10156288, 12695360, 20312576, 25390720, 40625152, 50781440, 101562880, 203125760]

約数ペア:

[(1, 203125760), (2, 101562880), (4, 50781440), (5, 40625152), (8, 25390720), (10, 20312576), (16, 12695360), (20, 10156288), (32, 6347680), (40, 5078144), (64, 3173840), (80, 2539072), (97, 2094080), (128, 1586920), (160, 1269536), (194, 1047040), (256, 793460), (320, 634768), (388, 523520), (409, 496640), (485, 418816), (512, 396730), (640, 317384), (776, 261760), (818, 248320), (970, 209408), (1024, 198365), (1280, 158692), (1552, 130880), (1636, 124160), (1940, 104704), (2045, 99328), (2560, 79346), (3104, 65440), (3272, 62080), (3880, 52352), (4090, 49664), (5120, 39673), (6208, 32720), (6544, 31040), (7760, 26176), (8180, 24832), (12416, 16360), (13088, 15520)]