31869220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1399}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 71971200

約数和(自身を除く): 40101980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 1399, 2278, 2798, 4556, 5596, 5695, 6995, 11390, 13990, 22780, 23783, 27980, 47566, 93733, 95132, 118915, 187466, 237830, 374932, 468665, 475660, 937330, 1593461, 1874660, 3186922, 6373844, 7967305, 15934610, 31869220]

約数ペア:

[(1, 31869220), (2, 15934610), (4, 7967305), (5, 6373844), (10, 3186922), (17, 1874660), (20, 1593461), (34, 937330), (67, 475660), (68, 468665), (85, 374932), (134, 237830), (170, 187466), (268, 118915), (335, 95132), (340, 93733), (670, 47566), (1139, 27980), (1340, 23783), (1399, 22780), (2278, 13990), (2798, 11390), (4556, 6995), (5596, 5695)]