201762020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{829}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 435610560

約数和(自身を除く): 233848540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 283, 430, 566, 829, 860, 1132, 1415, 1658, 2830, 3316, 4145, 5660, 8290, 12169, 16580, 24338, 35647, 48676, 60845, 71294, 121690, 142588, 178235, 234607, 243380, 356470, 469214, 712940, 938428, 1173035, 2346070, 4692140, 10088101, 20176202, 40352404, 50440505, 100881010, 201762020]

約数ペア:

[(1, 201762020), (2, 100881010), (4, 50440505), (5, 40352404), (10, 20176202), (20, 10088101), (43, 4692140), (86, 2346070), (172, 1173035), (215, 938428), (283, 712940), (430, 469214), (566, 356470), (829, 243380), (860, 234607), (1132, 178235), (1415, 142588), (1658, 121690), (2830, 71294), (3316, 60845), (4145, 48676), (5660, 35647), (8290, 24338), (12169, 16580)]