198454250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 397163520

約数和(自身を除く): 198709270

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 125, 145, 155, 250, 290, 310, 725, 775, 883, 899, 1450, 1550, 1766, 1798, 3625, 3875, 4415, 4495, 7250, 7750, 8830, 8990, 22075, 22475, 25607, 27373, 44150, 44950, 51214, 54746, 110375, 112375, 128035, 136865, 220750, 224750, 256070, 273730, 640175, 684325, 793817, 1280350, 1368650, 1587634, 3200875, 3421625, 3969085, 6401750, 6843250, 7938170, 19845425, 39690850, 99227125, 198454250]

約数ペア:

[(1, 198454250), (2, 99227125), (5, 39690850), (10, 19845425), (25, 7938170), (29, 6843250), (31, 6401750), (50, 3969085), (58, 3421625), (62, 3200875), (125, 1587634), (145, 1368650), (155, 1280350), (250, 793817), (290, 684325), (310, 640175), (725, 273730), (775, 256070), (883, 224750), (899, 220750), (1450, 136865), (1550, 128035), (1766, 112375), (1798, 110375), (3625, 54746), (3875, 51214), (4415, 44950), (4495, 44150), (7250, 27373), (7750, 25607), (8830, 22475), (8990, 22075)]