873450140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{135209}}^1$

素因数の和:135254

約数の個数: 48

約数和(自身を含む): 2044375200

約数和(自身を除く): 1170925060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 135209, 270418, 540836, 676045, 1352090, 2298553, 2568971, 2704180, 4597106, 5137942, 9194212, 10275884, 11492765, 12844855, 22985530, 25689710, 43672507, 45971060, 51379420, 87345014, 174690028, 218362535, 436725070, 873450140]

約数ペア:

[(1, 873450140), (2, 436725070), (4, 218362535), (5, 174690028), (10, 87345014), (17, 51379420), (19, 45971060), (20, 43672507), (34, 25689710), (38, 22985530), (68, 12844855), (76, 11492765), (85, 10275884), (95, 9194212), (170, 5137942), (190, 4597106), (323, 2704180), (340, 2568971), (380, 2298553), (646, 1352090), (1292, 676045), (1615, 540836), (3230, 270418), (6460, 135209)]