201212420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{4159}}^1$

素因数の和:4268

約数の個数: 48

約数和(自身を含む): 440294400

約数和(自身を除く): 239081980

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 410, 590, 820, 1180, 2419, 4159, 4838, 8318, 9676, 12095, 16636, 20795, 24190, 41590, 48380, 83180, 170519, 245381, 341038, 490762, 682076, 852595, 981524, 1226905, 1705190, 2453810, 3410380, 4907620, 10060621, 20121242, 40242484, 50303105, 100606210, 201212420]

約数ペア:

[(1, 201212420), (2, 100606210), (4, 50303105), (5, 40242484), (10, 20121242), (20, 10060621), (41, 4907620), (59, 3410380), (82, 2453810), (118, 1705190), (164, 1226905), (205, 981524), (236, 852595), (295, 682076), (410, 490762), (590, 341038), (820, 245381), (1180, 170519), (2419, 83180), (4159, 48380), (4838, 41590), (8318, 24190), (9676, 20795), (12095, 16636)]