284831875

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 40

約数和(自身を含む): 374979968

約数和(自身を除く): 90148093

約数列:

[1, 5, 25, 31, 61, 125, 155, 241, 305, 625, 775, 1205, 1525, 1891, 3875, 6025, 7471, 7625, 9455, 14701, 19375, 30125, 37355, 38125, 47275, 73505, 150625, 186775, 236375, 367525, 455731, 933875, 1181875, 1837625, 2278655, 4669375, 9188125, 11393275, 56966375, 284831875]

約数ペア:

[(1, 284831875), (5, 56966375), (25, 11393275), (31, 9188125), (61, 4669375), (125, 2278655), (155, 1837625), (241, 1181875), (305, 933875), (625, 455731), (775, 367525), (1205, 236375), (1525, 186775), (1891, 150625), (3875, 73505), (6025, 47275), (7471, 38125), (7625, 37355), (9455, 30125), (14701, 19375)]