1812260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 4085760

約数和(自身を除く): 2273500

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 79, 124, 148, 155, 158, 185, 310, 316, 370, 395, 620, 740, 790, 1147, 1580, 2294, 2449, 2923, 4588, 4898, 5735, 5846, 9796, 11470, 11692, 12245, 14615, 22940, 24490, 29230, 48980, 58460, 90613, 181226, 362452, 453065, 906130, 1812260]

約数ペア:

[(1, 1812260), (2, 906130), (4, 453065), (5, 362452), (10, 181226), (20, 90613), (31, 58460), (37, 48980), (62, 29230), (74, 24490), (79, 22940), (124, 14615), (148, 12245), (155, 11692), (158, 11470), (185, 9796), (310, 5846), (316, 5735), (370, 4898), (395, 4588), (620, 2923), (740, 2449), (790, 2294), (1147, 1580)]