227421740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17851}}^1$

素因数の和:17887

約数の個数: 72

約数和(自身を含む): 598327632

約数和(自身を除く): 370905892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 17851, 35702, 71404, 89255, 124957, 178510, 232063, 249914, 357020, 464126, 499828, 624785, 874699, 928252, 1160315, 1249570, 1624441, 1749398, 2320630, 2499140, 3248882, 3498796, 4373495, 4641260, 6497764, 8122205, 8746990, 11371087, 16244410, 17493980, 22742174, 32488820, 45484348, 56855435, 113710870, 227421740]

約数ペア:

[(1, 227421740), (2, 113710870), (4, 56855435), (5, 45484348), (7, 32488820), (10, 22742174), (13, 17493980), (14, 16244410), (20, 11371087), (26, 8746990), (28, 8122205), (35, 6497764), (49, 4641260), (52, 4373495), (65, 3498796), (70, 3248882), (91, 2499140), (98, 2320630), (130, 1749398), (140, 1624441), (182, 1249570), (196, 1160315), (245, 928252), (260, 874699), (364, 624785), (455, 499828), (490, 464126), (637, 357020), (910, 249914), (980, 232063), (1274, 178510), (1820, 124957), (2548, 89255), (3185, 71404), (6370, 35702), (12740, 17851)]