397345900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{977}}^1$

素因数の和:1088

約数の個数: 108

約数和(自身を含む): 1016138088

約数和(自身を除く): 618792188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 83, 98, 100, 140, 166, 175, 196, 245, 332, 350, 415, 490, 581, 700, 830, 977, 980, 1162, 1225, 1660, 1954, 2075, 2324, 2450, 2905, 3908, 4067, 4150, 4885, 4900, 5810, 6839, 8134, 8300, 9770, 11620, 13678, 14525, 16268, 19540, 20335, 24425, 27356, 29050, 34195, 40670, 47873, 48850, 58100, 68390, 81091, 81340, 95746, 97700, 101675, 136780, 162182, 170975, 191492, 203350, 239365, 324364, 341950, 405455, 406700, 478730, 567637, 683900, 810910, 957460, 1135274, 1196825, 1621820, 2027275, 2270548, 2393650, 2838185, 3973459, 4054550, 4787300, 5676370, 7946918, 8109100, 11352740, 14190925, 15893836, 19867295, 28381850, 39734590, 56763700, 79469180, 99336475, 198672950, 397345900]

約数ペア:

[(1, 397345900), (2, 198672950), (4, 99336475), (5, 79469180), (7, 56763700), (10, 39734590), (14, 28381850), (20, 19867295), (25, 15893836), (28, 14190925), (35, 11352740), (49, 8109100), (50, 7946918), (70, 5676370), (83, 4787300), (98, 4054550), (100, 3973459), (140, 2838185), (166, 2393650), (175, 2270548), (196, 2027275), (245, 1621820), (332, 1196825), (350, 1135274), (415, 957460), (490, 810910), (581, 683900), (700, 567637), (830, 478730), (977, 406700), (980, 405455), (1162, 341950), (1225, 324364), (1660, 239365), (1954, 203350), (2075, 191492), (2324, 170975), (2450, 162182), (2905, 136780), (3908, 101675), (4067, 97700), (4150, 95746), (4885, 81340), (4900, 81091), (5810, 68390), (6839, 58100), (8134, 48850), (8300, 47873), (9770, 40670), (11620, 34195), (13678, 29050), (14525, 27356), (16268, 24425), (19540, 20335)]