18891400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 49639680

約数和(自身を除く): 30748280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 100, 110, 124, 155, 200, 220, 248, 275, 277, 310, 341, 440, 550, 554, 620, 682, 775, 1100, 1108, 1240, 1364, 1385, 1550, 1705, 2200, 2216, 2728, 2770, 3047, 3100, 3410, 5540, 6094, 6200, 6820, 6925, 8525, 8587, 11080, 12188, 13640, 13850, 15235, 17050, 17174, 24376, 27700, 30470, 34100, 34348, 42935, 55400, 60940, 68200, 68696, 76175, 85870, 94457, 121880, 152350, 171740, 188914, 214675, 304700, 343480, 377828, 429350, 472285, 609400, 755656, 858700, 944570, 1717400, 1889140, 2361425, 3778280, 4722850, 9445700, 18891400]

約数ペア:

[(1, 18891400), (2, 9445700), (4, 4722850), (5, 3778280), (8, 2361425), (10, 1889140), (11, 1717400), (20, 944570), (22, 858700), (25, 755656), (31, 609400), (40, 472285), (44, 429350), (50, 377828), (55, 343480), (62, 304700), (88, 214675), (100, 188914), (110, 171740), (124, 152350), (155, 121880), (200, 94457), (220, 85870), (248, 76175), (275, 68696), (277, 68200), (310, 60940), (341, 55400), (440, 42935), (550, 34348), (554, 34100), (620, 30470), (682, 27700), (775, 24376), (1100, 17174), (1108, 17050), (1240, 15235), (1364, 13850), (1385, 13640), (1550, 12188), (1705, 11080), (2200, 8587), (2216, 8525), (2728, 6925), (2770, 6820), (3047, 6200), (3100, 6094), (3410, 5540)]