278021230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 550680768

約数和(自身を除く): 272659538

約数列:

[1, 2, 5, 10, 17, 34, 43, 73, 85, 86, 146, 170, 215, 365, 430, 521, 730, 731, 1042, 1241, 1462, 2482, 2605, 3139, 3655, 5210, 6205, 6278, 7310, 8857, 12410, 15695, 17714, 22403, 31390, 38033, 44285, 44806, 53363, 76066, 88570, 106726, 112015, 190165, 224030, 266815, 380330, 380851, 533630, 646561, 761702, 1293122, 1635419, 1904255, 3232805, 3270838, 3808510, 6465610, 8177095, 16354190, 27802123, 55604246, 139010615, 278021230]

約数ペア:

[(1, 278021230), (2, 139010615), (5, 55604246), (10, 27802123), (17, 16354190), (34, 8177095), (43, 6465610), (73, 3808510), (85, 3270838), (86, 3232805), (146, 1904255), (170, 1635419), (215, 1293122), (365, 761702), (430, 646561), (521, 533630), (730, 380851), (731, 380330), (1042, 266815), (1241, 224030), (1462, 190165), (2482, 112015), (2605, 106726), (3139, 88570), (3655, 76066), (5210, 53363), (6205, 44806), (6278, 44285), (7310, 38033), (8857, 31390), (12410, 22403), (15695, 17714)]