1912840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 4762800

約数和(自身を除く): 2849960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 97, 116, 136, 145, 170, 194, 232, 290, 340, 388, 485, 493, 580, 680, 776, 970, 986, 1160, 1649, 1940, 1972, 2465, 2813, 3298, 3880, 3944, 4930, 5626, 6596, 8245, 9860, 11252, 13192, 14065, 16490, 19720, 22504, 28130, 32980, 47821, 56260, 65960, 95642, 112520, 191284, 239105, 382568, 478210, 956420, 1912840]

約数ペア:

[(1, 1912840), (2, 956420), (4, 478210), (5, 382568), (8, 239105), (10, 191284), (17, 112520), (20, 95642), (29, 65960), (34, 56260), (40, 47821), (58, 32980), (68, 28130), (85, 22504), (97, 19720), (116, 16490), (136, 14065), (145, 13192), (170, 11252), (194, 9860), (232, 8245), (290, 6596), (340, 5626), (388, 4930), (485, 3944), (493, 3880), (580, 3298), (680, 2813), (776, 2465), (970, 1972), (986, 1940), (1160, 1649)]