1024420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 2395008

約数和(自身を除く): 1370588

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 131, 170, 230, 262, 340, 391, 460, 524, 655, 782, 1310, 1564, 1955, 2227, 2620, 3013, 3910, 4454, 6026, 7820, 8908, 11135, 12052, 15065, 22270, 30130, 44540, 51221, 60260, 102442, 204884, 256105, 512210, 1024420]

約数ペア:

[(1, 1024420), (2, 512210), (4, 256105), (5, 204884), (10, 102442), (17, 60260), (20, 51221), (23, 44540), (34, 30130), (46, 22270), (68, 15065), (85, 12052), (92, 11135), (115, 8908), (131, 7820), (170, 6026), (230, 4454), (262, 3910), (340, 3013), (391, 2620), (460, 2227), (524, 1955), (655, 1564), (782, 1310)]