221497640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8693}}^1$

素因数の和:8731

約数の個数: 96

約数和(自身を含む): 624403080

約数和(自身を除く): 402905440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 8693, 12740, 17386, 25480, 34772, 43465, 60851, 69544, 86930, 113009, 121702, 173860, 226018, 243404, 304255, 347720, 425957, 452036, 486808, 565045, 608510, 791063, 851914, 904072, 1130090, 1217020, 1582126, 1703828, 2129785, 2260180, 2434040, 3164252, 3407656, 3955315, 4259570, 4520360, 5537441, 6328504, 7910630, 8519140, 11074882, 15821260, 17038280, 22149764, 27687205, 31642520, 44299528, 55374410, 110748820, 221497640]

約数ペア:

[(1, 221497640), (2, 110748820), (4, 55374410), (5, 44299528), (7, 31642520), (8, 27687205), (10, 22149764), (13, 17038280), (14, 15821260), (20, 11074882), (26, 8519140), (28, 7910630), (35, 6328504), (40, 5537441), (49, 4520360), (52, 4259570), (56, 3955315), (65, 3407656), (70, 3164252), (91, 2434040), (98, 2260180), (104, 2129785), (130, 1703828), (140, 1582126), (182, 1217020), (196, 1130090), (245, 904072), (260, 851914), (280, 791063), (364, 608510), (392, 565045), (455, 486808), (490, 452036), (520, 425957), (637, 347720), (728, 304255), (910, 243404), (980, 226018), (1274, 173860), (1820, 121702), (1960, 113009), (2548, 86930), (3185, 69544), (3640, 60851), (5096, 43465), (6370, 34772), (8693, 25480), (12740, 17386)]