491139940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1\times {\mathrm{1483}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 1069548480

約数和(自身を除く): 578408540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 571, 580, 1142, 1483, 2284, 2855, 2966, 5710, 5932, 7415, 11420, 14830, 16559, 29660, 33118, 43007, 66236, 82795, 86014, 165590, 172028, 215035, 331180, 430070, 846793, 860140, 1693586, 3387172, 4233965, 8467930, 16935860, 24556997, 49113994, 98227988, 122784985, 245569970, 491139940]

約数ペア:

[(1, 491139940), (2, 245569970), (4, 122784985), (5, 98227988), (10, 49113994), (20, 24556997), (29, 16935860), (58, 8467930), (116, 4233965), (145, 3387172), (290, 1693586), (571, 860140), (580, 846793), (1142, 430070), (1483, 331180), (2284, 215035), (2855, 172028), (2966, 165590), (5710, 86014), (5932, 82795), (7415, 66236), (11420, 43007), (14830, 33118), (16559, 29660)]