209225820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:811

約数の個数: 96

約数和(自身を含む): 608864256

約数和(自身を除く): 399638436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 197, 310, 372, 394, 465, 571, 591, 620, 788, 930, 985, 1142, 1182, 1713, 1860, 1970, 2284, 2364, 2855, 2955, 3426, 3940, 5710, 5910, 6107, 6852, 8565, 11420, 11820, 12214, 17130, 17701, 18321, 24428, 30535, 34260, 35402, 36642, 53103, 61070, 70804, 73284, 88505, 91605, 106206, 112487, 122140, 177010, 183210, 212412, 224974, 265515, 337461, 354020, 366420, 449948, 531030, 562435, 674922, 1062060, 1124870, 1349844, 1687305, 2249740, 3374610, 3487097, 6749220, 6974194, 10461291, 13948388, 17435485, 20922582, 34870970, 41845164, 52306455, 69741940, 104612910, 209225820]

約数ペア:

[(1, 209225820), (2, 104612910), (3, 69741940), (4, 52306455), (5, 41845164), (6, 34870970), (10, 20922582), (12, 17435485), (15, 13948388), (20, 10461291), (30, 6974194), (31, 6749220), (60, 3487097), (62, 3374610), (93, 2249740), (124, 1687305), (155, 1349844), (186, 1124870), (197, 1062060), (310, 674922), (372, 562435), (394, 531030), (465, 449948), (571, 366420), (591, 354020), (620, 337461), (788, 265515), (930, 224974), (985, 212412), (1142, 183210), (1182, 177010), (1713, 122140), (1860, 112487), (1970, 106206), (2284, 91605), (2364, 88505), (2855, 73284), (2955, 70804), (3426, 61070), (3940, 53103), (5710, 36642), (5910, 35402), (6107, 34260), (6852, 30535), (8565, 24428), (11420, 18321), (11820, 17701), (12214, 17130)]