78162260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20899}}^1$

素因数の和:20936

約数の個数: 48

約数和(自身を含む): 189604800

約数和(自身を除く): 111442540

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 20899, 41798, 83596, 104495, 208990, 229889, 355283, 417980, 459778, 710566, 919556, 1149445, 1421132, 1776415, 2298890, 3552830, 3908113, 4597780, 7105660, 7816226, 15632452, 19540565, 39081130, 78162260]

約数ペア:

[(1, 78162260), (2, 39081130), (4, 19540565), (5, 15632452), (10, 7816226), (11, 7105660), (17, 4597780), (20, 3908113), (22, 3552830), (34, 2298890), (44, 1776415), (55, 1421132), (68, 1149445), (85, 919556), (110, 710566), (170, 459778), (187, 417980), (220, 355283), (340, 229889), (374, 208990), (748, 104495), (935, 83596), (1870, 41798), (3740, 20899)]