1389146220400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{112027921}}^1$

素因数の和:112027970

約数の個数: 60

約数和(自身を含む): 3445082657344

約数和(自身を除く): 2055936436944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 112027921, 224055842, 448111684, 560139605, 896223368, 1120279210, 1792446736, 2240558420, 2800698025, 3472865551, 4481116840, 5601396050, 6945731102, 8962233680, 11202792100, 13891462204, 17364327755, 22405584200, 27782924408, 34728655510, 44811168400, 55565848816, 69457311020, 86821638775, 138914622040, 173643277550, 277829244080, 347286555100, 694573110200, 1389146220400]

約数ペア:

[(1, 1389146220400), (2, 694573110200), (4, 347286555100), (5, 277829244080), (8, 173643277550), (10, 138914622040), (16, 86821638775), (20, 69457311020), (25, 55565848816), (31, 44811168400), (40, 34728655510), (50, 27782924408), (62, 22405584200), (80, 17364327755), (100, 13891462204), (124, 11202792100), (155, 8962233680), (200, 6945731102), (248, 5601396050), (310, 4481116840), (400, 3472865551), (496, 2800698025), (620, 2240558420), (775, 1792446736), (1240, 1120279210), (1550, 896223368), (2480, 560139605), (3100, 448111684), (6200, 224055842), (12400, 112027921)]