28783700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 68995584

約数和(自身を除く): 40211884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 137, 191, 220, 274, 275, 382, 548, 550, 685, 764, 955, 1100, 1370, 1507, 1910, 2101, 2740, 3014, 3425, 3820, 4202, 4775, 6028, 6850, 7535, 8404, 9550, 10505, 13700, 15070, 19100, 21010, 26167, 30140, 37675, 42020, 52334, 52525, 75350, 104668, 105050, 130835, 150700, 210100, 261670, 287837, 523340, 575674, 654175, 1151348, 1308350, 1439185, 2616700, 2878370, 5756740, 7195925, 14391850, 28783700]

約数ペア:

[(1, 28783700), (2, 14391850), (4, 7195925), (5, 5756740), (10, 2878370), (11, 2616700), (20, 1439185), (22, 1308350), (25, 1151348), (44, 654175), (50, 575674), (55, 523340), (100, 287837), (110, 261670), (137, 210100), (191, 150700), (220, 130835), (274, 105050), (275, 104668), (382, 75350), (548, 52525), (550, 52334), (685, 42020), (764, 37675), (955, 30140), (1100, 26167), (1370, 21010), (1507, 19100), (1910, 15070), (2101, 13700), (2740, 10505), (3014, 9550), (3425, 8404), (3820, 7535), (4202, 6850), (4775, 6028)]