38807500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 90

約数和(自身を含む): 91648788

約数和(自身を除く): 52841288

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 125, 172, 190, 215, 250, 361, 380, 430, 475, 500, 625, 722, 817, 860, 950, 1075, 1250, 1444, 1634, 1805, 1900, 2150, 2375, 2500, 3268, 3610, 4085, 4300, 4750, 5375, 7220, 8170, 9025, 9500, 10750, 11875, 15523, 16340, 18050, 20425, 21500, 23750, 26875, 31046, 36100, 40850, 45125, 47500, 53750, 62092, 77615, 81700, 90250, 102125, 107500, 155230, 180500, 204250, 225625, 310460, 388075, 408500, 451250, 510625, 776150, 902500, 1021250, 1552300, 1940375, 2042500, 3880750, 7761500, 9701875, 19403750, 38807500]

約数ペア:

[(1, 38807500), (2, 19403750), (4, 9701875), (5, 7761500), (10, 3880750), (19, 2042500), (20, 1940375), (25, 1552300), (38, 1021250), (43, 902500), (50, 776150), (76, 510625), (86, 451250), (95, 408500), (100, 388075), (125, 310460), (172, 225625), (190, 204250), (215, 180500), (250, 155230), (361, 107500), (380, 102125), (430, 90250), (475, 81700), (500, 77615), (625, 62092), (722, 53750), (817, 47500), (860, 45125), (950, 40850), (1075, 36100), (1250, 31046), (1444, 26875), (1634, 23750), (1805, 21500), (1900, 20425), (2150, 18050), (2375, 16340), (2500, 15523), (3268, 11875), (3610, 10750), (4085, 9500), (4300, 9025), (4750, 8170), (5375, 7220)]