203430940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{977}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 443620800

約数和(自身を除く): 240189860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 359, 580, 718, 977, 1436, 1795, 1954, 3590, 3908, 4885, 7180, 9770, 10411, 19540, 20822, 28333, 41644, 52055, 56666, 104110, 113332, 141665, 208220, 283330, 350743, 566660, 701486, 1402972, 1753715, 3507430, 7014860, 10171547, 20343094, 40686188, 50857735, 101715470, 203430940]

約数ペア:

[(1, 203430940), (2, 101715470), (4, 50857735), (5, 40686188), (10, 20343094), (20, 10171547), (29, 7014860), (58, 3507430), (116, 1753715), (145, 1402972), (290, 701486), (359, 566660), (580, 350743), (718, 283330), (977, 208220), (1436, 141665), (1795, 113332), (1954, 104110), (3590, 56666), (3908, 52055), (4885, 41644), (7180, 28333), (9770, 20822), (10411, 19540)]