19103750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 80

約数和(自身を含む): 40487040

約数和(自身を除く): 21383290

約数列:

[1, 2, 5, 10, 17, 25, 29, 31, 34, 50, 58, 62, 85, 125, 145, 155, 170, 250, 290, 310, 425, 493, 527, 625, 725, 775, 850, 899, 986, 1054, 1250, 1450, 1550, 1798, 2125, 2465, 2635, 3625, 3875, 4250, 4495, 4930, 5270, 7250, 7750, 8990, 10625, 12325, 13175, 15283, 18125, 19375, 21250, 22475, 24650, 26350, 30566, 36250, 38750, 44950, 61625, 65875, 76415, 112375, 123250, 131750, 152830, 224750, 308125, 329375, 382075, 561875, 616250, 658750, 764150, 1123750, 1910375, 3820750, 9551875, 19103750]

約数ペア:

[(1, 19103750), (2, 9551875), (5, 3820750), (10, 1910375), (17, 1123750), (25, 764150), (29, 658750), (31, 616250), (34, 561875), (50, 382075), (58, 329375), (62, 308125), (85, 224750), (125, 152830), (145, 131750), (155, 123250), (170, 112375), (250, 76415), (290, 65875), (310, 61625), (425, 44950), (493, 38750), (527, 36250), (625, 30566), (725, 26350), (775, 24650), (850, 22475), (899, 21250), (986, 19375), (1054, 18125), (1250, 15283), (1450, 13175), (1550, 12325), (1798, 10625), (2125, 8990), (2465, 7750), (2635, 7250), (3625, 5270), (3875, 4930), (4250, 4495)]