208570960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 566963712

約数和(自身を除く): 358392752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 47, 52, 65, 68, 80, 85, 94, 104, 130, 136, 170, 188, 208, 221, 235, 251, 260, 272, 340, 376, 442, 470, 502, 520, 611, 680, 752, 799, 884, 940, 1004, 1040, 1105, 1222, 1255, 1360, 1598, 1768, 1880, 2008, 2210, 2444, 2510, 3055, 3196, 3263, 3536, 3760, 3995, 4016, 4267, 4420, 4888, 5020, 6110, 6392, 6526, 7990, 8534, 8840, 9776, 10040, 10387, 11797, 12220, 12784, 13052, 15980, 16315, 17068, 17680, 20080, 20774, 21335, 23594, 24440, 26104, 31960, 32630, 34136, 41548, 42670, 47188, 48880, 51935, 52208, 55471, 58985, 63920, 65260, 68272, 83096, 85340, 94376, 103870, 110942, 117970, 130520, 153361, 166192, 170680, 188752, 200549, 207740, 221884, 235940, 261040, 277355, 306722, 341360, 401098, 415480, 443768, 471880, 554710, 613444, 766805, 802196, 830960, 887536, 943760, 1002745, 1109420, 1226888, 1533610, 1604392, 2005490, 2218840, 2453776, 2607137, 3067220, 3208784, 4010980, 4437680, 5214274, 6134440, 8021960, 10428548, 12268880, 13035685, 16043920, 20857096, 26071370, 41714192, 52142740, 104285480, 208570960]

約数ペア:

[(1, 208570960), (2, 104285480), (4, 52142740), (5, 41714192), (8, 26071370), (10, 20857096), (13, 16043920), (16, 13035685), (17, 12268880), (20, 10428548), (26, 8021960), (34, 6134440), (40, 5214274), (47, 4437680), (52, 4010980), (65, 3208784), (68, 3067220), (80, 2607137), (85, 2453776), (94, 2218840), (104, 2005490), (130, 1604392), (136, 1533610), (170, 1226888), (188, 1109420), (208, 1002745), (221, 943760), (235, 887536), (251, 830960), (260, 802196), (272, 766805), (340, 613444), (376, 554710), (442, 471880), (470, 443768), (502, 415480), (520, 401098), (611, 341360), (680, 306722), (752, 277355), (799, 261040), (884, 235940), (940, 221884), (1004, 207740), (1040, 200549), (1105, 188752), (1222, 170680), (1255, 166192), (1360, 153361), (1598, 130520), (1768, 117970), (1880, 110942), (2008, 103870), (2210, 94376), (2444, 85340), (2510, 83096), (3055, 68272), (3196, 65260), (3263, 63920), (3536, 58985), (3760, 55471), (3995, 52208), (4016, 51935), (4267, 48880), (4420, 47188), (4888, 42670), (5020, 41548), (6110, 34136), (6392, 32630), (6526, 31960), (7990, 26104), (8534, 24440), (8840, 23594), (9776, 21335), (10040, 20774), (10387, 20080), (11797, 17680), (12220, 17068), (12784, 16315), (13052, 15980)]