782767460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{2801}}^1$

素因数の和:3056

約数の個数: 48

約数和(自身を含む): 1673466480

約数和(自身を除く): 890699020

約数列:

[1, 2, 4, 5, 10, 20, 89, 157, 178, 314, 356, 445, 628, 785, 890, 1570, 1780, 2801, 3140, 5602, 11204, 13973, 14005, 27946, 28010, 55892, 56020, 69865, 139730, 249289, 279460, 439757, 498578, 879514, 997156, 1246445, 1759028, 2198785, 2492890, 4397570, 4985780, 8795140, 39138373, 78276746, 156553492, 195691865, 391383730, 782767460]

約数ペア:

[(1, 782767460), (2, 391383730), (4, 195691865), (5, 156553492), (10, 78276746), (20, 39138373), (89, 8795140), (157, 4985780), (178, 4397570), (314, 2492890), (356, 2198785), (445, 1759028), (628, 1246445), (785, 997156), (890, 879514), (1570, 498578), (1780, 439757), (2801, 279460), (3140, 249289), (5602, 139730), (11204, 69865), (13973, 56020), (14005, 55892), (27946, 28010)]