378799540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{87281}}^1$

素因数の和:87328

約数の個数: 48

約数和(自身を含む): 938456064

約数和(自身を除く): 559656524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 87281, 174562, 349124, 436405, 610967, 872810, 1221934, 1745620, 2443868, 2705711, 3054835, 5411422, 6109670, 10822844, 12219340, 13528555, 18939977, 27057110, 37879954, 54114220, 75759908, 94699885, 189399770, 378799540]

約数ペア:

[(1, 378799540), (2, 189399770), (4, 94699885), (5, 75759908), (7, 54114220), (10, 37879954), (14, 27057110), (20, 18939977), (28, 13528555), (31, 12219340), (35, 10822844), (62, 6109670), (70, 5411422), (124, 3054835), (140, 2705711), (155, 2443868), (217, 1745620), (310, 1221934), (434, 872810), (620, 610967), (868, 436405), (1085, 349124), (2170, 174562), (4340, 87281)]