1889199240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{221737}}^1$

素因数の和:221822

約数の個数: 64

約数和(自身を含む): 5747448960

約数和(自身を除く): 3858249720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 221737, 443474, 665211, 886948, 1108685, 1330422, 1773896, 2217370, 2660844, 3326055, 4434740, 5321688, 6652110, 8869480, 13304220, 15743327, 26608440, 31486654, 47229981, 62973308, 78716635, 94459962, 125946616, 157433270, 188919924, 236149905, 314866540, 377839848, 472299810, 629733080, 944599620, 1889199240]

約数ペア:

[(1, 1889199240), (2, 944599620), (3, 629733080), (4, 472299810), (5, 377839848), (6, 314866540), (8, 236149905), (10, 188919924), (12, 157433270), (15, 125946616), (20, 94459962), (24, 78716635), (30, 62973308), (40, 47229981), (60, 31486654), (71, 26608440), (120, 15743327), (142, 13304220), (213, 8869480), (284, 6652110), (355, 5321688), (426, 4434740), (568, 3326055), (710, 2660844), (852, 2217370), (1065, 1773896), (1420, 1330422), (1704, 1108685), (2130, 886948), (2840, 665211), (4260, 443474), (8520, 221737)]