248778880

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{7933}}^1$

素因数の和:7966

約数の個数: 96

約数和(自身を含む): 691924140

約数和(自身を除く): 443145260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 7933, 15680, 15866, 31360, 31732, 39665, 55531, 63464, 79330, 111062, 126928, 158660, 222124, 253856, 277655, 317320, 388717, 444248, 507712, 555310, 634640, 777434, 888496, 1015424, 1110620, 1269280, 1554868, 1776992, 1943585, 2221240, 2538560, 3109736, 3553984, 3887170, 4442480, 5077120, 6219472, 7107968, 7774340, 8884960, 12438944, 15548680, 17769920, 24877888, 31097360, 35539840, 49755776, 62194720, 124389440, 248778880]

約数ペア:

[(1, 248778880), (2, 124389440), (4, 62194720), (5, 49755776), (7, 35539840), (8, 31097360), (10, 24877888), (14, 17769920), (16, 15548680), (20, 12438944), (28, 8884960), (32, 7774340), (35, 7107968), (40, 6219472), (49, 5077120), (56, 4442480), (64, 3887170), (70, 3553984), (80, 3109736), (98, 2538560), (112, 2221240), (128, 1943585), (140, 1776992), (160, 1554868), (196, 1269280), (224, 1110620), (245, 1015424), (280, 888496), (320, 777434), (392, 634640), (448, 555310), (490, 507712), (560, 444248), (640, 388717), (784, 317320), (896, 277655), (980, 253856), (1120, 222124), (1568, 158660), (1960, 126928), (2240, 111062), (3136, 79330), (3920, 63464), (4480, 55531), (6272, 39665), (7840, 31732), (7933, 31360), (15680, 15866)]