200996540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5531}}^1$

素因数の和:5642

約数の個数: 48

約数和(自身を含む): 446100480

約数和(自身を除く): 245103940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 3634, 5531, 7268, 9085, 11062, 18170, 22124, 27655, 36340, 55310, 110620, 127213, 254426, 436949, 508852, 636065, 873898, 1272130, 1747796, 2184745, 2544260, 4369490, 8738980, 10049827, 20099654, 40199308, 50249135, 100498270, 200996540]

約数ペア:

[(1, 200996540), (2, 100498270), (4, 50249135), (5, 40199308), (10, 20099654), (20, 10049827), (23, 8738980), (46, 4369490), (79, 2544260), (92, 2184745), (115, 1747796), (158, 1272130), (230, 873898), (316, 636065), (395, 508852), (460, 436949), (790, 254426), (1580, 127213), (1817, 110620), (3634, 55310), (5531, 36340), (7268, 27655), (9085, 22124), (11062, 18170)]