205726386860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^2$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 465613505280

約数和(自身を除く): 259887118420

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 197, 241, 290, 310, 394, 482, 580, 620, 788, 899, 964, 985, 1205, 1798, 1970, 2410, 3596, 3940, 4495, 4820, 5713, 6107, 6989, 7471, 8990, 11426, 12214, 13978, 14942, 17980, 22852, 24428, 27956, 28565, 29884, 30535, 34945, 37355, 47477, 57130, 58081, 61070, 69890, 74710, 94954, 114260, 116162, 122140, 139780, 149420, 177103, 189908, 216659, 232324, 237385, 290405, 354206, 433318, 474770, 580810, 708412, 866636, 885515, 949540, 1083295, 1161620, 1376833, 1471787, 1684349, 1771030, 1800511, 2166590, 2753666, 2943574, 3368698, 3542060, 3601022, 4333180, 5507332, 5887148, 6737396, 6884165, 7202044, 7358935, 8421745, 9002555, 11441957, 13768330, 14717870, 16843490, 18005110, 22883914, 27536660, 29435740, 33686980, 36010220, 42681823, 45767828, 52214819, 57209785, 85363646, 104429638, 114419570, 170727292, 208859276, 213409115, 228839140, 261074095, 331816753, 354700667, 426818230, 522148190, 663633506, 709401334, 853636460, 1044296380, 1327267012, 1418802668, 1659083765, 1773503335, 3318167530, 3547006670, 6636335060, 7094013340, 10286319343, 20572638686, 41145277372, 51431596715, 102863193430, 205726386860]

約数ペア:

[(1, 205726386860), (2, 102863193430), (4, 51431596715), (5, 41145277372), (10, 20572638686), (20, 10286319343), (29, 7094013340), (31, 6636335060), (58, 3547006670), (62, 3318167530), (116, 1773503335), (124, 1659083765), (145, 1418802668), (155, 1327267012), (197, 1044296380), (241, 853636460), (290, 709401334), (310, 663633506), (394, 522148190), (482, 426818230), (580, 354700667), (620, 331816753), (788, 261074095), (899, 228839140), (964, 213409115), (985, 208859276), (1205, 170727292), (1798, 114419570), (1970, 104429638), (2410, 85363646), (3596, 57209785), (3940, 52214819), (4495, 45767828), (4820, 42681823), (5713, 36010220), (6107, 33686980), (6989, 29435740), (7471, 27536660), (8990, 22883914), (11426, 18005110), (12214, 16843490), (13978, 14717870), (14942, 13768330), (17980, 11441957), (22852, 9002555), (24428, 8421745), (27956, 7358935), (28565, 7202044), (29884, 6884165), (30535, 6737396), (34945, 5887148), (37355, 5507332), (47477, 4333180), (57130, 3601022), (58081, 3542060), (61070, 3368698), (69890, 2943574), (74710, 2753666), (94954, 2166590), (114260, 1800511), (116162, 1771030), (122140, 1684349), (139780, 1471787), (149420, 1376833), (177103, 1161620), (189908, 1083295), (216659, 949540), (232324, 885515), (237385, 866636), (290405, 708412), (354206, 580810), (433318, 474770)]