201454420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4523}}^1$

素因数の和:4680

約数の個数: 48

約数和(自身を含む): 451459008

約数和(自身を除く): 250004588

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 1310, 2227, 2620, 4454, 4523, 8908, 9046, 11135, 18092, 22270, 22615, 44540, 45230, 76891, 90460, 153782, 307564, 384455, 592513, 768910, 1185026, 1537820, 2370052, 2962565, 5925130, 10072721, 11850260, 20145442, 40290884, 50363605, 100727210, 201454420]

約数ペア:

[(1, 201454420), (2, 100727210), (4, 50363605), (5, 40290884), (10, 20145442), (17, 11850260), (20, 10072721), (34, 5925130), (68, 2962565), (85, 2370052), (131, 1537820), (170, 1185026), (262, 768910), (340, 592513), (524, 384455), (655, 307564), (1310, 153782), (2227, 90460), (2620, 76891), (4454, 45230), (4523, 44540), (8908, 22615), (9046, 22270), (11135, 18092)]