200900900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2003}}^1$

素因数の和:2093

約数の個数: 72

約数和(自身を含む): 469657440

約数和(自身を除く): 268756540

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 59, 68, 85, 100, 118, 170, 236, 295, 340, 425, 590, 850, 1003, 1180, 1475, 1700, 2003, 2006, 2950, 4006, 4012, 5015, 5900, 8012, 10015, 10030, 20030, 20060, 25075, 34051, 40060, 50075, 50150, 68102, 100150, 100300, 118177, 136204, 170255, 200300, 236354, 340510, 472708, 590885, 681020, 851275, 1181770, 1702550, 2009009, 2363540, 2954425, 3405100, 4018018, 5908850, 8036036, 10045045, 11817700, 20090090, 40180180, 50225225, 100450450, 200900900]

約数ペア:

[(1, 200900900), (2, 100450450), (4, 50225225), (5, 40180180), (10, 20090090), (17, 11817700), (20, 10045045), (25, 8036036), (34, 5908850), (50, 4018018), (59, 3405100), (68, 2954425), (85, 2363540), (100, 2009009), (118, 1702550), (170, 1181770), (236, 851275), (295, 681020), (340, 590885), (425, 472708), (590, 340510), (850, 236354), (1003, 200300), (1180, 170255), (1475, 136204), (1700, 118177), (2003, 100300), (2006, 100150), (2950, 68102), (4006, 50150), (4012, 50075), (5015, 40060), (5900, 34051), (8012, 25075), (10015, 20060), (10030, 20030)]