200801900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1861}}^1$

素因数の和:1971

約数の個数: 72

約数和(自身を含む): 475167504

約数和(自身を除く): 274365604

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 130, 166, 260, 325, 332, 415, 650, 830, 1079, 1300, 1660, 1861, 2075, 2158, 3722, 4150, 4316, 5395, 7444, 8300, 9305, 10790, 18610, 21580, 24193, 26975, 37220, 46525, 48386, 53950, 93050, 96772, 107900, 120965, 154463, 186100, 241930, 308926, 483860, 604825, 617852, 772315, 1209650, 1544630, 2008019, 2419300, 3089260, 3861575, 4016038, 7723150, 8032076, 10040095, 15446300, 20080190, 40160380, 50200475, 100400950, 200801900]

約数ペア:

[(1, 200801900), (2, 100400950), (4, 50200475), (5, 40160380), (10, 20080190), (13, 15446300), (20, 10040095), (25, 8032076), (26, 7723150), (50, 4016038), (52, 3861575), (65, 3089260), (83, 2419300), (100, 2008019), (130, 1544630), (166, 1209650), (260, 772315), (325, 617852), (332, 604825), (415, 483860), (650, 308926), (830, 241930), (1079, 186100), (1300, 154463), (1660, 120965), (1861, 107900), (2075, 96772), (2158, 93050), (3722, 53950), (4150, 48386), (4316, 46525), (5395, 37220), (7444, 26975), (8300, 24193), (9305, 21580), (10790, 18610)]