2998890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 8294400

約数和(自身を除く): 5295510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 383, 435, 522, 766, 783, 870, 1149, 1305, 1566, 1915, 2298, 2610, 3447, 3830, 3915, 5745, 6894, 7830, 10341, 11107, 11490, 17235, 20682, 22214, 33321, 34470, 51705, 55535, 66642, 99963, 103410, 111070, 166605, 199926, 299889, 333210, 499815, 599778, 999630, 1499445, 2998890]

約数ペア:

[(1, 2998890), (2, 1499445), (3, 999630), (5, 599778), (6, 499815), (9, 333210), (10, 299889), (15, 199926), (18, 166605), (27, 111070), (29, 103410), (30, 99963), (45, 66642), (54, 55535), (58, 51705), (87, 34470), (90, 33321), (135, 22214), (145, 20682), (174, 17235), (261, 11490), (270, 11107), (290, 10341), (383, 7830), (435, 6894), (522, 5745), (766, 3915), (783, 3830), (870, 3447), (1149, 2610), (1305, 2298), (1566, 1915)]