259310660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:597

約数の個数: 96

約数和(自身を含む): 648345600

約数和(自身を除く): 389034940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 149, 155, 217, 298, 310, 401, 434, 596, 620, 745, 802, 868, 1043, 1085, 1490, 1604, 2005, 2086, 2170, 2807, 2980, 4010, 4172, 4340, 4619, 5215, 5614, 8020, 9238, 10430, 11228, 12431, 14035, 18476, 20860, 23095, 24862, 28070, 32333, 46190, 49724, 56140, 59749, 62155, 64666, 87017, 92380, 119498, 124310, 129332, 161665, 174034, 238996, 248620, 298745, 323330, 348068, 418243, 435085, 597490, 646660, 836486, 870170, 1194980, 1672972, 1740340, 1852219, 2091215, 3704438, 4182430, 7408876, 8364860, 9261095, 12965533, 18522190, 25931066, 37044380, 51862132, 64827665, 129655330, 259310660]

約数ペア:

[(1, 259310660), (2, 129655330), (4, 64827665), (5, 51862132), (7, 37044380), (10, 25931066), (14, 18522190), (20, 12965533), (28, 9261095), (31, 8364860), (35, 7408876), (62, 4182430), (70, 3704438), (124, 2091215), (140, 1852219), (149, 1740340), (155, 1672972), (217, 1194980), (298, 870170), (310, 836486), (401, 646660), (434, 597490), (596, 435085), (620, 418243), (745, 348068), (802, 323330), (868, 298745), (1043, 248620), (1085, 238996), (1490, 174034), (1604, 161665), (2005, 129332), (2086, 124310), (2170, 119498), (2807, 92380), (2980, 87017), (4010, 64666), (4172, 62155), (4340, 59749), (4619, 56140), (5215, 49724), (5614, 46190), (8020, 32333), (9238, 28070), (10430, 24862), (11228, 23095), (12431, 20860), (14035, 18476)]