69145940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 156755592

約数和(自身を除く): 87609652

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 157, 190, 244, 305, 314, 361, 380, 610, 628, 722, 785, 1159, 1220, 1444, 1570, 1805, 2318, 2983, 3140, 3610, 4636, 5795, 5966, 7220, 9577, 11590, 11932, 14915, 19154, 22021, 23180, 29830, 38308, 44042, 47885, 56677, 59660, 88084, 95770, 110105, 113354, 181963, 191540, 220210, 226708, 283385, 363926, 440420, 566770, 727852, 909815, 1133540, 1819630, 3457297, 3639260, 6914594, 13829188, 17286485, 34572970, 69145940]

約数ペア:

[(1, 69145940), (2, 34572970), (4, 17286485), (5, 13829188), (10, 6914594), (19, 3639260), (20, 3457297), (38, 1819630), (61, 1133540), (76, 909815), (95, 727852), (122, 566770), (157, 440420), (190, 363926), (244, 283385), (305, 226708), (314, 220210), (361, 191540), (380, 181963), (610, 113354), (628, 110105), (722, 95770), (785, 88084), (1159, 59660), (1220, 56677), (1444, 47885), (1570, 44042), (1805, 38308), (2318, 29830), (2983, 23180), (3140, 22021), (3610, 19154), (4636, 14915), (5795, 11932), (5966, 11590), (7220, 9577)]