90640900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4177}}^1$

素因数の和:4229

約数の個数: 72

約数和(自身を含む): 232096256

約数和(自身を除く): 141455356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 4177, 4340, 5425, 8354, 10850, 16708, 20885, 21700, 29239, 41770, 58478, 83540, 104425, 116956, 129487, 146195, 208850, 258974, 292390, 417700, 517948, 584780, 647435, 730975, 906409, 1294870, 1461950, 1812818, 2589740, 2923900, 3237175, 3625636, 4532045, 6474350, 9064090, 12948700, 18128180, 22660225, 45320450, 90640900]

約数ペア:

[(1, 90640900), (2, 45320450), (4, 22660225), (5, 18128180), (7, 12948700), (10, 9064090), (14, 6474350), (20, 4532045), (25, 3625636), (28, 3237175), (31, 2923900), (35, 2589740), (50, 1812818), (62, 1461950), (70, 1294870), (100, 906409), (124, 730975), (140, 647435), (155, 584780), (175, 517948), (217, 417700), (310, 292390), (350, 258974), (434, 208850), (620, 146195), (700, 129487), (775, 116956), (868, 104425), (1085, 83540), (1550, 58478), (2170, 41770), (3100, 29239), (4177, 21700), (4340, 20885), (5425, 16708), (8354, 10850)]