201213840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{838391}}^1$

素因数の和:838407

約数の個数: 40

約数和(自身を含む): 623763648

約数和(自身を除く): 422549808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 838391, 1676782, 2515173, 3353564, 4191955, 5030346, 6707128, 8383910, 10060692, 12575865, 13414256, 16767820, 20121384, 25151730, 33535640, 40242768, 50303460, 67071280, 100606920, 201213840]

約数ペア:

[(1, 201213840), (2, 100606920), (3, 67071280), (4, 50303460), (5, 40242768), (6, 33535640), (8, 25151730), (10, 20121384), (12, 16767820), (15, 13414256), (16, 12575865), (20, 10060692), (24, 8383910), (30, 6707128), (40, 5030346), (48, 4191955), (60, 3353564), (80, 2515173), (120, 1676782), (240, 838391)]