217976800

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3449}}^1$

素因数の和:3548

約数の個数: 72

約数和(自身を含む): 539028000

約数和(自身を除く): 321051200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1264, 1580, 1975, 2528, 3160, 3449, 3950, 6320, 6898, 7900, 12640, 13796, 15800, 17245, 27592, 31600, 34490, 55184, 63200, 68980, 86225, 110368, 137960, 172450, 272471, 275920, 344900, 544942, 551840, 689800, 1089884, 1362355, 1379600, 2179768, 2724710, 2759200, 4359536, 5449420, 6811775, 8719072, 10898840, 13623550, 21797680, 27247100, 43595360, 54494200, 108988400, 217976800]

約数ペア:

[(1, 217976800), (2, 108988400), (4, 54494200), (5, 43595360), (8, 27247100), (10, 21797680), (16, 13623550), (20, 10898840), (25, 8719072), (32, 6811775), (40, 5449420), (50, 4359536), (79, 2759200), (80, 2724710), (100, 2179768), (158, 1379600), (160, 1362355), (200, 1089884), (316, 689800), (395, 551840), (400, 544942), (632, 344900), (790, 275920), (800, 272471), (1264, 172450), (1580, 137960), (1975, 110368), (2528, 86225), (3160, 68980), (3449, 63200), (3950, 55184), (6320, 34490), (6898, 31600), (7900, 27592), (12640, 17245), (13796, 15800)]