248575240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 581094000

約数和(自身を除く): 332518760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 421, 509, 580, 842, 1018, 1160, 1684, 2036, 2105, 2545, 3368, 4072, 4210, 5090, 8420, 10180, 12209, 14761, 16840, 20360, 24418, 29522, 48836, 59044, 61045, 73805, 97672, 118088, 122090, 147610, 214289, 244180, 295220, 428578, 488360, 590440, 857156, 1071445, 1714312, 2142890, 4285780, 6214381, 8571560, 12428762, 24857524, 31071905, 49715048, 62143810, 124287620, 248575240]

約数ペア:

[(1, 248575240), (2, 124287620), (4, 62143810), (5, 49715048), (8, 31071905), (10, 24857524), (20, 12428762), (29, 8571560), (40, 6214381), (58, 4285780), (116, 2142890), (145, 1714312), (232, 1071445), (290, 857156), (421, 590440), (509, 488360), (580, 428578), (842, 295220), (1018, 244180), (1160, 214289), (1684, 147610), (2036, 122090), (2105, 118088), (2545, 97672), (3368, 73805), (4072, 61045), (4210, 59044), (5090, 48836), (8420, 29522), (10180, 24418), (12209, 20360), (14761, 16840)]