390721120

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{8629}}^1$

素因数の和:8927

約数の個数: 48

約数和(自身を含む): 926447760

約数和(自身を除く): 535726640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 1132, 1415, 2264, 2830, 4528, 5660, 8629, 9056, 11320, 17258, 22640, 34516, 43145, 45280, 69032, 86290, 138064, 172580, 276128, 345160, 690320, 1380640, 2442007, 4884014, 9768028, 12210035, 19536056, 24420070, 39072112, 48840140, 78144224, 97680280, 195360560, 390721120]

約数ペア:

[(1, 390721120), (2, 195360560), (4, 97680280), (5, 78144224), (8, 48840140), (10, 39072112), (16, 24420070), (20, 19536056), (32, 12210035), (40, 9768028), (80, 4884014), (160, 2442007), (283, 1380640), (566, 690320), (1132, 345160), (1415, 276128), (2264, 172580), (2830, 138064), (4528, 86290), (5660, 69032), (8629, 45280), (9056, 43145), (11320, 34516), (17258, 22640)]