28744340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 64545600

約数和(自身を除く): 35801260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1129, 1273, 1340, 2258, 2546, 4516, 5092, 5645, 6365, 11290, 12730, 21451, 22580, 25460, 42902, 75643, 85804, 107255, 151286, 214510, 302572, 378215, 429020, 756430, 1437217, 1512860, 2874434, 5748868, 7186085, 14372170, 28744340]

約数ペア:

[(1, 28744340), (2, 14372170), (4, 7186085), (5, 5748868), (10, 2874434), (19, 1512860), (20, 1437217), (38, 756430), (67, 429020), (76, 378215), (95, 302572), (134, 214510), (190, 151286), (268, 107255), (335, 85804), (380, 75643), (670, 42902), (1129, 25460), (1273, 22580), (1340, 21451), (2258, 12730), (2546, 11290), (4516, 6365), (5092, 5645)]