155280380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7487}}^1$

素因数の和:7574

約数の個数: 48

約数和(自身を含む): 350977536

約数和(自身を除く): 195697156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 7487, 10370, 14974, 20740, 29948, 37435, 74870, 127279, 149740, 254558, 456707, 509116, 636395, 913414, 1272790, 1826828, 2283535, 2545580, 4567070, 7764019, 9134140, 15528038, 31056076, 38820095, 77640190, 155280380]

約数ペア:

[(1, 155280380), (2, 77640190), (4, 38820095), (5, 31056076), (10, 15528038), (17, 9134140), (20, 7764019), (34, 4567070), (61, 2545580), (68, 2283535), (85, 1826828), (122, 1272790), (170, 913414), (244, 636395), (305, 509116), (340, 456707), (610, 254558), (1037, 149740), (1220, 127279), (2074, 74870), (4148, 37435), (5185, 29948), (7487, 20740), (10370, 14974)]