190991580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244861}}^1$

素因数の和:244886

約数の個数: 48

約数和(自身を含む): 575915424

約数和(自身を除く): 384923844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 244861, 489722, 734583, 979444, 1224305, 1469166, 2448610, 2938332, 3183193, 3672915, 4897220, 6366386, 7345830, 9549579, 12732772, 14691660, 15915965, 19099158, 31831930, 38198316, 47747895, 63663860, 95495790, 190991580]

約数ペア:

[(1, 190991580), (2, 95495790), (3, 63663860), (4, 47747895), (5, 38198316), (6, 31831930), (10, 19099158), (12, 15915965), (13, 14691660), (15, 12732772), (20, 9549579), (26, 7345830), (30, 6366386), (39, 4897220), (52, 3672915), (60, 3183193), (65, 2938332), (78, 2448610), (130, 1469166), (156, 1224305), (195, 979444), (260, 734583), (390, 489722), (780, 244861)]