31088339980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1\times {\mathrm{43961}}^1$

素因数の和:45850

約数の個数: 48

約数和(自身を含む): 68760084960

約数和(自身を除く): 37671744980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1861, 3722, 7444, 9305, 18610, 35359, 37220, 43961, 70718, 87922, 141436, 175844, 176795, 219805, 353590, 439610, 707180, 835259, 879220, 1670518, 3341036, 4176295, 8352590, 16705180, 81811421, 163622842, 327245684, 409057105, 818114210, 1554416999, 1636228420, 3108833998, 6217667996, 7772084995, 15544169990, 31088339980]

約数ペア:

[(1, 31088339980), (2, 15544169990), (4, 7772084995), (5, 6217667996), (10, 3108833998), (19, 1636228420), (20, 1554416999), (38, 818114210), (76, 409057105), (95, 327245684), (190, 163622842), (380, 81811421), (1861, 16705180), (3722, 8352590), (7444, 4176295), (9305, 3341036), (18610, 1670518), (35359, 879220), (37220, 835259), (43961, 707180), (70718, 439610), (87922, 353590), (141436, 219805), (175844, 176795)]