4262500

素因数分解:

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

素因数の和:71

約数の個数: 72

約数和(自身を含む): 10499328

約数和(自身を除く): 6236828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 125, 155, 220, 250, 275, 310, 341, 500, 550, 620, 625, 682, 775, 1100, 1250, 1364, 1375, 1550, 1705, 2500, 2750, 3100, 3125, 3410, 3875, 5500, 6250, 6820, 6875, 7750, 8525, 12500, 13750, 15500, 17050, 19375, 27500, 34100, 34375, 38750, 42625, 68750, 77500, 85250, 96875, 137500, 170500, 193750, 213125, 387500, 426250, 852500, 1065625, 2131250, 4262500]

約数ペア:

[(1, 4262500), (2, 2131250), (4, 1065625), (5, 852500), (10, 426250), (11, 387500), (20, 213125), (22, 193750), (25, 170500), (31, 137500), (44, 96875), (50, 85250), (55, 77500), (62, 68750), (100, 42625), (110, 38750), (124, 34375), (125, 34100), (155, 27500), (220, 19375), (250, 17050), (275, 15500), (310, 13750), (341, 12500), (500, 8525), (550, 7750), (620, 6875), (625, 6820), (682, 6250), (775, 5500), (1100, 3875), (1250, 3410), (1364, 3125), (1375, 3100), (1550, 2750), (1705, 2500)]