161856250

素因数分解:

$2^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 337478400

約数和(自身を除く): 175622150

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 47, 50, 58, 94, 95, 125, 145, 190, 235, 250, 290, 470, 475, 551, 625, 725, 893, 950, 1102, 1175, 1250, 1363, 1450, 1786, 2350, 2375, 2726, 2755, 3125, 3625, 4465, 4750, 5510, 5875, 6250, 6815, 7250, 8930, 11750, 11875, 13630, 13775, 18125, 22325, 23750, 25897, 27550, 29375, 34075, 36250, 44650, 51794, 58750, 59375, 68150, 68875, 90625, 111625, 118750, 129485, 137750, 146875, 170375, 181250, 223250, 258970, 293750, 340750, 344375, 558125, 647425, 688750, 851875, 1116250, 1294850, 1703750, 1721875, 2790625, 3237125, 3443750, 4259375, 5581250, 6474250, 8518750, 16185625, 32371250, 80928125, 161856250]

約数ペア:

[(1, 161856250), (2, 80928125), (5, 32371250), (10, 16185625), (19, 8518750), (25, 6474250), (29, 5581250), (38, 4259375), (47, 3443750), (50, 3237125), (58, 2790625), (94, 1721875), (95, 1703750), (125, 1294850), (145, 1116250), (190, 851875), (235, 688750), (250, 647425), (290, 558125), (470, 344375), (475, 340750), (551, 293750), (625, 258970), (725, 223250), (893, 181250), (950, 170375), (1102, 146875), (1175, 137750), (1250, 129485), (1363, 118750), (1450, 111625), (1786, 90625), (2350, 68875), (2375, 68150), (2726, 59375), (2755, 58750), (3125, 51794), (3625, 44650), (4465, 36250), (4750, 34075), (5510, 29375), (5875, 27550), (6250, 25897), (6815, 23750), (7250, 22325), (8930, 18125), (11750, 13775), (11875, 13630)]