20170609900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{32413}}^1$

素因数の和:32568

約数の個数: 108

約数和(自身を含む): 51318882048

約数和(自身を除く): 31148272148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 127, 140, 175, 196, 245, 254, 350, 490, 508, 635, 700, 889, 980, 1225, 1270, 1778, 2450, 2540, 3175, 3556, 4445, 4900, 6223, 6350, 8890, 12446, 12700, 17780, 22225, 24892, 31115, 32413, 44450, 62230, 64826, 88900, 124460, 129652, 155575, 162065, 226891, 311150, 324130, 453782, 622300, 648260, 810325, 907564, 1134455, 1588237, 1620650, 2268910, 3176474, 3241300, 4116451, 4537820, 5672275, 6352948, 7941185, 8232902, 11344550, 15882370, 16465804, 20582255, 22689100, 28815157, 31764740, 39705925, 41164510, 57630314, 79411850, 82329020, 102911275, 115260628, 144075785, 158823700, 201706099, 205822550, 288151570, 403412198, 411645100, 576303140, 720378925, 806824396, 1008530495, 1440757850, 2017060990, 2881515700, 4034121980, 5042652475, 10085304950, 20170609900]

約数ペア:

[(1, 20170609900), (2, 10085304950), (4, 5042652475), (5, 4034121980), (7, 2881515700), (10, 2017060990), (14, 1440757850), (20, 1008530495), (25, 806824396), (28, 720378925), (35, 576303140), (49, 411645100), (50, 403412198), (70, 288151570), (98, 205822550), (100, 201706099), (127, 158823700), (140, 144075785), (175, 115260628), (196, 102911275), (245, 82329020), (254, 79411850), (350, 57630314), (490, 41164510), (508, 39705925), (635, 31764740), (700, 28815157), (889, 22689100), (980, 20582255), (1225, 16465804), (1270, 15882370), (1778, 11344550), (2450, 8232902), (2540, 7941185), (3175, 6352948), (3556, 5672275), (4445, 4537820), (4900, 4116451), (6223, 3241300), (6350, 3176474), (8890, 2268910), (12446, 1620650), (12700, 1588237), (17780, 1134455), (22225, 907564), (24892, 810325), (31115, 648260), (32413, 622300), (44450, 453782), (62230, 324130), (64826, 311150), (88900, 226891), (124460, 162065), (129652, 155575)]