79828850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 152668800

約数和(自身を除く): 72839950

約数列:

[1, 2, 5, 10, 25, 50, 71, 113, 142, 199, 226, 355, 398, 565, 710, 995, 1130, 1775, 1990, 2825, 3550, 4975, 5650, 8023, 9950, 14129, 16046, 22487, 28258, 40115, 44974, 70645, 80230, 112435, 141290, 200575, 224870, 353225, 401150, 562175, 706450, 1124350, 1596577, 3193154, 7982885, 15965770, 39914425, 79828850]

約数ペア:

[(1, 79828850), (2, 39914425), (5, 15965770), (10, 7982885), (25, 3193154), (50, 1596577), (71, 1124350), (113, 706450), (142, 562175), (199, 401150), (226, 353225), (355, 224870), (398, 200575), (565, 141290), (710, 112435), (995, 80230), (1130, 70645), (1775, 44974), (1990, 40115), (2825, 28258), (3550, 22487), (4975, 16046), (5650, 14129), (8023, 9950)]