72363220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 161638848

約数和(自身を除く): 89275628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 331, 340, 643, 662, 1286, 1324, 1655, 2572, 3215, 3310, 5627, 6430, 6620, 10931, 11254, 12860, 21862, 22508, 28135, 43724, 54655, 56270, 109310, 112540, 212833, 218620, 425666, 851332, 1064165, 2128330, 3618161, 4256660, 7236322, 14472644, 18090805, 36181610, 72363220]

約数ペア:

[(1, 72363220), (2, 36181610), (4, 18090805), (5, 14472644), (10, 7236322), (17, 4256660), (20, 3618161), (34, 2128330), (68, 1064165), (85, 851332), (170, 425666), (331, 218620), (340, 212833), (643, 112540), (662, 109310), (1286, 56270), (1324, 54655), (1655, 43724), (2572, 28135), (3215, 22508), (3310, 21862), (5627, 12860), (6430, 11254), (6620, 10931)]