19009898500

素因数分解:

$2^2\times 5^3\times {\mathrm{313}}^1\times {\mathrm{121469}}^1$

素因数の和:121801

約数の個数: 48

約数和(自身を含む): 41650605360

約数和(自身を除く): 22640706860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 313, 500, 626, 1252, 1565, 3130, 6260, 7825, 15650, 31300, 39125, 78250, 121469, 156500, 242938, 485876, 607345, 1214690, 2429380, 3036725, 6073450, 12146900, 15183625, 30367250, 38019797, 60734500, 76039594, 152079188, 190098985, 380197970, 760395940, 950494925, 1900989850, 3801979700, 4752474625, 9504949250, 19009898500]

約数ペア:

[(1, 19009898500), (2, 9504949250), (4, 4752474625), (5, 3801979700), (10, 1900989850), (20, 950494925), (25, 760395940), (50, 380197970), (100, 190098985), (125, 152079188), (250, 76039594), (313, 60734500), (500, 38019797), (626, 30367250), (1252, 15183625), (1565, 12146900), (3130, 6073450), (6260, 3036725), (7825, 2429380), (15650, 1214690), (31300, 607345), (39125, 485876), (78250, 242938), (121469, 156500)]