1347998420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{5189}}^1$

素因数の和:5648

約数の個数: 48

約数和(自身を含む): 2929651200

約数和(自身を除く): 1581652780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 419, 620, 838, 1676, 2095, 4190, 5189, 8380, 10378, 12989, 20756, 25945, 25978, 51890, 51956, 64945, 103780, 129890, 160859, 259780, 321718, 643436, 804295, 1608590, 2174191, 3217180, 4348382, 8696764, 10870955, 21741910, 43483820, 67399921, 134799842, 269599684, 336999605, 673999210, 1347998420]

約数ペア:

[(1, 1347998420), (2, 673999210), (4, 336999605), (5, 269599684), (10, 134799842), (20, 67399921), (31, 43483820), (62, 21741910), (124, 10870955), (155, 8696764), (310, 4348382), (419, 3217180), (620, 2174191), (838, 1608590), (1676, 804295), (2095, 643436), (4190, 321718), (5189, 259780), (8380, 160859), (10378, 129890), (12989, 103780), (20756, 64945), (25945, 51956), (25978, 51890)]