15705923540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{400457}}^1$

素因数の和:400556

約数の個数: 48

約数和(自身を含む): 34513072272

約数和(自身を除く): 18807148732

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 1060, 1961, 3922, 7844, 9805, 19610, 39220, 400457, 800914, 1601828, 2002285, 4004570, 8009140, 14816909, 21224221, 29633818, 42448442, 59267636, 74084545, 84896884, 106121105, 148169090, 212242210, 296338180, 424484420, 785296177, 1570592354, 3141184708, 3926480885, 7852961770, 15705923540]

約数ペア:

[(1, 15705923540), (2, 7852961770), (4, 3926480885), (5, 3141184708), (10, 1570592354), (20, 785296177), (37, 424484420), (53, 296338180), (74, 212242210), (106, 148169090), (148, 106121105), (185, 84896884), (212, 74084545), (265, 59267636), (370, 42448442), (530, 29633818), (740, 21224221), (1060, 14816909), (1961, 8009140), (3922, 4004570), (7844, 2002285), (9805, 1601828), (19610, 800914), (39220, 400457)]