725803010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 1392098400

約数和(自身を除く): 666295390

約数列:

[1, 2, 5, 10, 29, 58, 61, 89, 122, 145, 178, 290, 305, 445, 461, 610, 890, 922, 1769, 2305, 2581, 3538, 4610, 5162, 5429, 8845, 10858, 12905, 13369, 17690, 25810, 26738, 27145, 28121, 41029, 54290, 56242, 66845, 82058, 133690, 140605, 157441, 205145, 281210, 314882, 410290, 787205, 815509, 1189841, 1574410, 1631018, 2379682, 2502769, 4077545, 5005538, 5949205, 8155090, 11898410, 12513845, 25027690, 72580301, 145160602, 362901505, 725803010]

約数ペア:

[(1, 725803010), (2, 362901505), (5, 145160602), (10, 72580301), (29, 25027690), (58, 12513845), (61, 11898410), (89, 8155090), (122, 5949205), (145, 5005538), (178, 4077545), (290, 2502769), (305, 2379682), (445, 1631018), (461, 1574410), (610, 1189841), (890, 815509), (922, 787205), (1769, 410290), (2305, 314882), (2581, 281210), (3538, 205145), (4610, 157441), (5162, 140605), (5429, 133690), (8845, 82058), (10858, 66845), (12905, 56242), (13369, 54290), (17690, 41029), (25810, 28121), (26738, 27145)]