31742740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1049}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 71442000

約数和(自身を除く): 39699260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1049, 1513, 1780, 2098, 3026, 4196, 5245, 6052, 7565, 10490, 15130, 17833, 20980, 30260, 35666, 71332, 89165, 93361, 178330, 186722, 356660, 373444, 466805, 933610, 1587137, 1867220, 3174274, 6348548, 7935685, 15871370, 31742740]

約数ペア:

[(1, 31742740), (2, 15871370), (4, 7935685), (5, 6348548), (10, 3174274), (17, 1867220), (20, 1587137), (34, 933610), (68, 466805), (85, 373444), (89, 356660), (170, 186722), (178, 178330), (340, 93361), (356, 89165), (445, 71332), (890, 35666), (1049, 30260), (1513, 20980), (1780, 17833), (2098, 15130), (3026, 10490), (4196, 7565), (5245, 6052)]