170761940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{1399}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 381024000

約数和(自身を除く): 210262060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 359, 718, 1399, 1436, 1795, 2798, 3590, 5596, 6103, 6995, 7180, 12206, 13990, 23783, 24412, 27980, 30515, 47566, 61030, 95132, 118915, 122060, 237830, 475660, 502241, 1004482, 2008964, 2511205, 5022410, 8538097, 10044820, 17076194, 34152388, 42690485, 85380970, 170761940]

約数ペア:

[(1, 170761940), (2, 85380970), (4, 42690485), (5, 34152388), (10, 17076194), (17, 10044820), (20, 8538097), (34, 5022410), (68, 2511205), (85, 2008964), (170, 1004482), (340, 502241), (359, 475660), (718, 237830), (1399, 122060), (1436, 118915), (1795, 95132), (2798, 61030), (3590, 47566), (5596, 30515), (6103, 27980), (6995, 24412), (7180, 23783), (12206, 13990)]