248584760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101879}}^1$

素因数の和:101951

約数の個数: 32

約数和(自身を含む): 568490400

約数和(自身を除く): 319905640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 101879, 203758, 407516, 509395, 815032, 1018790, 2037580, 4075160, 6214619, 12429238, 24858476, 31073095, 49716952, 62146190, 124292380, 248584760]

約数ペア:

[(1, 248584760), (2, 124292380), (4, 62146190), (5, 49716952), (8, 31073095), (10, 24858476), (20, 12429238), (40, 6214619), (61, 4075160), (122, 2037580), (244, 1018790), (305, 815032), (488, 509395), (610, 407516), (1220, 203758), (2440, 101879)]