2131250

素因数分解:

$2^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:69

約数の個数: 48

約数和(自身を含む): 4499712

約数和(自身を除く): 2368462

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 125, 155, 250, 275, 310, 341, 550, 625, 682, 775, 1250, 1375, 1550, 1705, 2750, 3125, 3410, 3875, 6250, 6875, 7750, 8525, 13750, 17050, 19375, 34375, 38750, 42625, 68750, 85250, 96875, 193750, 213125, 426250, 1065625, 2131250]

約数ペア:

[(1, 2131250), (2, 1065625), (5, 426250), (10, 213125), (11, 193750), (22, 96875), (25, 85250), (31, 68750), (50, 42625), (55, 38750), (62, 34375), (110, 19375), (125, 17050), (155, 13750), (250, 8525), (275, 7750), (310, 6875), (341, 6250), (550, 3875), (625, 3410), (682, 3125), (775, 2750), (1250, 1705), (1375, 1550)]