1036991900

素因数分解:

$2^2\times 5^2\times 7^5\times {\mathrm{617}}^1$

素因数の和:666

約数の個数: 108

約数和(自身を含む): 2629550448

約数和(自身を除く): 1592558548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 617, 686, 700, 980, 1225, 1234, 1372, 1715, 2401, 2450, 2468, 3085, 3430, 4319, 4802, 4900, 6170, 6860, 8575, 8638, 9604, 12005, 12340, 15425, 16807, 17150, 17276, 21595, 24010, 30233, 30850, 33614, 34300, 43190, 48020, 60025, 60466, 61700, 67228, 84035, 86380, 107975, 120050, 120932, 151165, 168070, 211631, 215950, 240100, 302330, 336140, 420175, 423262, 431900, 604660, 755825, 840350, 846524, 1058155, 1481417, 1511650, 1680700, 2116310, 2962834, 3023300, 4232620, 5290775, 5925668, 7407085, 10369919, 10581550, 14814170, 20739838, 21163100, 29628340, 37035425, 41479676, 51849595, 74070850, 103699190, 148141700, 207398380, 259247975, 518495950, 1036991900]

約数ペア:

[(1, 1036991900), (2, 518495950), (4, 259247975), (5, 207398380), (7, 148141700), (10, 103699190), (14, 74070850), (20, 51849595), (25, 41479676), (28, 37035425), (35, 29628340), (49, 21163100), (50, 20739838), (70, 14814170), (98, 10581550), (100, 10369919), (140, 7407085), (175, 5925668), (196, 5290775), (245, 4232620), (343, 3023300), (350, 2962834), (490, 2116310), (617, 1680700), (686, 1511650), (700, 1481417), (980, 1058155), (1225, 846524), (1234, 840350), (1372, 755825), (1715, 604660), (2401, 431900), (2450, 423262), (2468, 420175), (3085, 336140), (3430, 302330), (4319, 240100), (4802, 215950), (4900, 211631), (6170, 168070), (6860, 151165), (8575, 120932), (8638, 120050), (9604, 107975), (12005, 86380), (12340, 84035), (15425, 67228), (16807, 61700), (17150, 60466), (17276, 60025), (21595, 48020), (24010, 43190), (30233, 34300), (30850, 33614)]