447225320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 1024531200

約数和(自身を除く): 577305880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 307, 316, 395, 461, 614, 632, 790, 922, 1228, 1535, 1580, 1844, 2305, 2456, 3070, 3160, 3688, 4610, 6140, 9220, 12280, 18440, 24253, 36419, 48506, 72838, 97012, 121265, 141527, 145676, 182095, 194024, 242530, 283054, 291352, 364190, 485060, 566108, 707635, 728380, 970120, 1132216, 1415270, 1456760, 2830540, 5661080, 11180633, 22361266, 44722532, 55903165, 89445064, 111806330, 223612660, 447225320]

約数ペア:

[(1, 447225320), (2, 223612660), (4, 111806330), (5, 89445064), (8, 55903165), (10, 44722532), (20, 22361266), (40, 11180633), (79, 5661080), (158, 2830540), (307, 1456760), (316, 1415270), (395, 1132216), (461, 970120), (614, 728380), (632, 707635), (790, 566108), (922, 485060), (1228, 364190), (1535, 291352), (1580, 283054), (1844, 242530), (2305, 194024), (2456, 182095), (3070, 145676), (3160, 141527), (3688, 121265), (4610, 97012), (6140, 72838), (9220, 48506), (12280, 36419), (18440, 24253)]