212173840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 507342528

約数和(自身を除く): 295168688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 163, 212, 265, 307, 326, 424, 530, 614, 652, 815, 848, 1060, 1228, 1304, 1535, 1630, 2120, 2456, 2608, 3070, 3260, 4240, 4912, 6140, 6520, 8639, 12280, 13040, 16271, 17278, 24560, 32542, 34556, 43195, 50041, 65084, 69112, 81355, 86390, 100082, 130168, 138224, 162710, 172780, 200164, 250205, 260336, 325420, 345560, 400328, 500410, 650840, 691120, 800656, 1000820, 1301680, 2001640, 2652173, 4003280, 5304346, 10608692, 13260865, 21217384, 26521730, 42434768, 53043460, 106086920, 212173840]

約数ペア:

[(1, 212173840), (2, 106086920), (4, 53043460), (5, 42434768), (8, 26521730), (10, 21217384), (16, 13260865), (20, 10608692), (40, 5304346), (53, 4003280), (80, 2652173), (106, 2001640), (163, 1301680), (212, 1000820), (265, 800656), (307, 691120), (326, 650840), (424, 500410), (530, 400328), (614, 345560), (652, 325420), (815, 260336), (848, 250205), (1060, 200164), (1228, 172780), (1304, 162710), (1535, 138224), (1630, 130168), (2120, 100082), (2456, 86390), (2608, 81355), (3070, 69112), (3260, 65084), (4240, 50041), (4912, 43195), (6140, 34556), (6520, 32542), (8639, 24560), (12280, 17278), (13040, 16271)]