28356390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{619}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 73990800

約数和(自身を除く): 45634410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 509, 619, 1018, 1238, 1527, 1857, 2545, 3054, 3095, 3714, 4581, 5090, 5571, 6190, 7635, 9162, 9285, 11142, 15270, 18570, 22905, 27855, 45810, 55710, 315071, 630142, 945213, 1575355, 1890426, 2835639, 3150710, 4726065, 5671278, 9452130, 14178195, 28356390]

約数ペア:

[(1, 28356390), (2, 14178195), (3, 9452130), (5, 5671278), (6, 4726065), (9, 3150710), (10, 2835639), (15, 1890426), (18, 1575355), (30, 945213), (45, 630142), (90, 315071), (509, 55710), (619, 45810), (1018, 27855), (1238, 22905), (1527, 18570), (1857, 15270), (2545, 11142), (3054, 9285), (3095, 9162), (3714, 7635), (4581, 6190), (5090, 5571)]