57213940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 146522880

約数和(自身を除く): 89308940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 137, 140, 157, 190, 266, 274, 314, 380, 532, 548, 628, 665, 685, 785, 959, 1099, 1330, 1370, 1570, 1918, 2198, 2603, 2660, 2740, 2983, 3140, 3836, 4396, 4795, 5206, 5495, 5966, 9590, 10412, 10990, 11932, 13015, 14915, 18221, 19180, 20881, 21509, 21980, 26030, 29830, 36442, 41762, 43018, 52060, 59660, 72884, 83524, 86036, 91105, 104405, 107545, 150563, 182210, 208810, 215090, 301126, 364420, 408671, 417620, 430180, 602252, 752815, 817342, 1505630, 1634684, 2043355, 2860697, 3011260, 4086710, 5721394, 8173420, 11442788, 14303485, 28606970, 57213940]

約数ペア:

[(1, 57213940), (2, 28606970), (4, 14303485), (5, 11442788), (7, 8173420), (10, 5721394), (14, 4086710), (19, 3011260), (20, 2860697), (28, 2043355), (35, 1634684), (38, 1505630), (70, 817342), (76, 752815), (95, 602252), (133, 430180), (137, 417620), (140, 408671), (157, 364420), (190, 301126), (266, 215090), (274, 208810), (314, 182210), (380, 150563), (532, 107545), (548, 104405), (628, 91105), (665, 86036), (685, 83524), (785, 72884), (959, 59660), (1099, 52060), (1330, 43018), (1370, 41762), (1570, 36442), (1918, 29830), (2198, 26030), (2603, 21980), (2660, 21509), (2740, 20881), (2983, 19180), (3140, 18221), (3836, 14915), (4396, 13015), (4795, 11932), (5206, 10990), (5495, 10412), (5966, 9590)]