28653800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 77286720

約数和(自身を除く): 48632920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 97, 100, 140, 175, 194, 200, 211, 280, 350, 388, 422, 485, 679, 700, 776, 844, 970, 1055, 1358, 1400, 1477, 1688, 1940, 2110, 2425, 2716, 2954, 3395, 3880, 4220, 4850, 5275, 5432, 5908, 6790, 7385, 8440, 9700, 10550, 11816, 13580, 14770, 16975, 19400, 20467, 21100, 27160, 29540, 33950, 36925, 40934, 42200, 59080, 67900, 73850, 81868, 102335, 135800, 143269, 147700, 163736, 204670, 286538, 295400, 409340, 511675, 573076, 716345, 818680, 1023350, 1146152, 1432690, 2046700, 2865380, 3581725, 4093400, 5730760, 7163450, 14326900, 28653800]

約数ペア:

[(1, 28653800), (2, 14326900), (4, 7163450), (5, 5730760), (7, 4093400), (8, 3581725), (10, 2865380), (14, 2046700), (20, 1432690), (25, 1146152), (28, 1023350), (35, 818680), (40, 716345), (50, 573076), (56, 511675), (70, 409340), (97, 295400), (100, 286538), (140, 204670), (175, 163736), (194, 147700), (200, 143269), (211, 135800), (280, 102335), (350, 81868), (388, 73850), (422, 67900), (485, 59080), (679, 42200), (700, 40934), (776, 36925), (844, 33950), (970, 29540), (1055, 27160), (1358, 21100), (1400, 20467), (1477, 19400), (1688, 16975), (1940, 14770), (2110, 13580), (2425, 11816), (2716, 10550), (2954, 9700), (3395, 8440), (3880, 7385), (4220, 6790), (4850, 5908), (5275, 5432)]