163811900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 108

約数和(自身を含む): 418863816

約数和(自身を除く): 255051916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 101, 140, 175, 196, 202, 245, 331, 350, 404, 490, 505, 662, 700, 707, 980, 1010, 1225, 1324, 1414, 1655, 2020, 2317, 2450, 2525, 2828, 3310, 3535, 4634, 4900, 4949, 5050, 6620, 7070, 8275, 9268, 9898, 10100, 11585, 14140, 16219, 16550, 17675, 19796, 23170, 24745, 32438, 33100, 33431, 35350, 46340, 49490, 57925, 64876, 66862, 70700, 81095, 98980, 115850, 123725, 133724, 162190, 167155, 231700, 234017, 247450, 324380, 334310, 405475, 468034, 494900, 668620, 810950, 835775, 936068, 1170085, 1621900, 1638119, 1671550, 2340170, 3276238, 3343100, 4680340, 5850425, 6552476, 8190595, 11700850, 16381190, 23401700, 32762380, 40952975, 81905950, 163811900]

約数ペア:

[(1, 163811900), (2, 81905950), (4, 40952975), (5, 32762380), (7, 23401700), (10, 16381190), (14, 11700850), (20, 8190595), (25, 6552476), (28, 5850425), (35, 4680340), (49, 3343100), (50, 3276238), (70, 2340170), (98, 1671550), (100, 1638119), (101, 1621900), (140, 1170085), (175, 936068), (196, 835775), (202, 810950), (245, 668620), (331, 494900), (350, 468034), (404, 405475), (490, 334310), (505, 324380), (662, 247450), (700, 234017), (707, 231700), (980, 167155), (1010, 162190), (1225, 133724), (1324, 123725), (1414, 115850), (1655, 98980), (2020, 81095), (2317, 70700), (2450, 66862), (2525, 64876), (2828, 57925), (3310, 49490), (3535, 46340), (4634, 35350), (4900, 33431), (4949, 33100), (5050, 32438), (6620, 24745), (7070, 23170), (8275, 19796), (9268, 17675), (9898, 16550), (10100, 16219), (11585, 14140)]