208509210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3637}}^1$

素因数の和:3677

約数の個数: 144

約数和(自身を含む): 679331016

約数和(自身を除く): 470821806

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 147, 182, 195, 210, 234, 245, 273, 294, 315, 390, 441, 455, 490, 546, 585, 630, 637, 735, 819, 882, 910, 1170, 1274, 1365, 1470, 1638, 1911, 2205, 2730, 3185, 3637, 3822, 4095, 4410, 5733, 6370, 7274, 8190, 9555, 10911, 11466, 18185, 19110, 21822, 25459, 28665, 32733, 36370, 47281, 50918, 54555, 57330, 65466, 76377, 94562, 109110, 127295, 141843, 152754, 163665, 178213, 229131, 236405, 254590, 283686, 327330, 330967, 356426, 381885, 425529, 458262, 472810, 534639, 661934, 709215, 763770, 851058, 891065, 992901, 1069278, 1145655, 1418430, 1603917, 1654835, 1782130, 1985802, 2127645, 2291310, 2316769, 2673195, 2978703, 3207834, 3309670, 4255290, 4633538, 4964505, 5346390, 5957406, 6950307, 8019585, 9929010, 11583845, 13900614, 14893515, 16039170, 20850921, 23167690, 29787030, 34751535, 41701842, 69503070, 104254605, 208509210]

約数ペア:

[(1, 208509210), (2, 104254605), (3, 69503070), (5, 41701842), (6, 34751535), (7, 29787030), (9, 23167690), (10, 20850921), (13, 16039170), (14, 14893515), (15, 13900614), (18, 11583845), (21, 9929010), (26, 8019585), (30, 6950307), (35, 5957406), (39, 5346390), (42, 4964505), (45, 4633538), (49, 4255290), (63, 3309670), (65, 3207834), (70, 2978703), (78, 2673195), (90, 2316769), (91, 2291310), (98, 2127645), (105, 1985802), (117, 1782130), (126, 1654835), (130, 1603917), (147, 1418430), (182, 1145655), (195, 1069278), (210, 992901), (234, 891065), (245, 851058), (273, 763770), (294, 709215), (315, 661934), (390, 534639), (441, 472810), (455, 458262), (490, 425529), (546, 381885), (585, 356426), (630, 330967), (637, 327330), (735, 283686), (819, 254590), (882, 236405), (910, 229131), (1170, 178213), (1274, 163665), (1365, 152754), (1470, 141843), (1638, 127295), (1911, 109110), (2205, 94562), (2730, 76377), (3185, 65466), (3637, 57330), (3822, 54555), (4095, 50918), (4410, 47281), (5733, 36370), (6370, 32733), (7274, 28665), (8190, 25459), (9555, 21822), (10911, 19110), (11466, 18185)]