155016860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{2083}}^1$

素因数の和:2214

約数の個数: 36

約数和(自身を含む): 331118424

約数和(自身を除く): 176101564

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2083, 3721, 4166, 7442, 8332, 10415, 14884, 18605, 20830, 37210, 41660, 74420, 127063, 254126, 508252, 635315, 1270630, 2541260, 7750843, 15501686, 31003372, 38754215, 77508430, 155016860]

約数ペア:

[(1, 155016860), (2, 77508430), (4, 38754215), (5, 31003372), (10, 15501686), (20, 7750843), (61, 2541260), (122, 1270630), (244, 635315), (305, 508252), (610, 254126), (1220, 127063), (2083, 74420), (3721, 41660), (4166, 37210), (7442, 20830), (8332, 18605), (10415, 14884)]