139888260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40903}}^1$

素因数の和:40937

約数の個数: 72

約数和(自身を含む): 446671680

約数和(自身を除く): 306783420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 40903, 81806, 122709, 163612, 204515, 245418, 368127, 409030, 490836, 613545, 736254, 777157, 818060, 1227090, 1472508, 1554314, 1840635, 2331471, 2454180, 3108628, 3681270, 3885785, 4662942, 6994413, 7362540, 7771570, 9325884, 11657355, 13988826, 15543140, 23314710, 27977652, 34972065, 46629420, 69944130, 139888260]

約数ペア:

[(1, 139888260), (2, 69944130), (3, 46629420), (4, 34972065), (5, 27977652), (6, 23314710), (9, 15543140), (10, 13988826), (12, 11657355), (15, 9325884), (18, 7771570), (19, 7362540), (20, 6994413), (30, 4662942), (36, 3885785), (38, 3681270), (45, 3108628), (57, 2454180), (60, 2331471), (76, 1840635), (90, 1554314), (95, 1472508), (114, 1227090), (171, 818060), (180, 777157), (190, 736254), (228, 613545), (285, 490836), (342, 409030), (380, 368127), (570, 245418), (684, 204515), (855, 163612), (1140, 122709), (1710, 81806), (3420, 40903)]