305210355

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 525571200

約数和(自身を除く): 220360845

約数列:

[1, 3, 5, 15, 29, 41, 87, 109, 123, 145, 157, 205, 327, 435, 471, 545, 615, 785, 1189, 1635, 2355, 3161, 3567, 4469, 4553, 5945, 6437, 9483, 13407, 13659, 15805, 17113, 17835, 19311, 22345, 22765, 32185, 47415, 51339, 67035, 68295, 85565, 96555, 129601, 186673, 256695, 388803, 496277, 560019, 648005, 701633, 933365, 1488831, 1944015, 2104899, 2481385, 2800095, 3508165, 7444155, 10524495, 20347357, 61042071, 101736785, 305210355]

約数ペア:

[(1, 305210355), (3, 101736785), (5, 61042071), (15, 20347357), (29, 10524495), (41, 7444155), (87, 3508165), (109, 2800095), (123, 2481385), (145, 2104899), (157, 1944015), (205, 1488831), (327, 933365), (435, 701633), (471, 648005), (545, 560019), (615, 496277), (785, 388803), (1189, 256695), (1635, 186673), (2355, 129601), (3161, 96555), (3567, 85565), (4469, 68295), (4553, 67035), (5945, 51339), (6437, 47415), (9483, 32185), (13407, 22765), (13659, 22345), (15805, 19311), (17113, 17835)]