29980188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{439}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 87127040

約数和(自身を除く): 57146852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 271, 439, 542, 813, 878, 1084, 1317, 1626, 1756, 1897, 2439, 2634, 3073, 3252, 3794, 3951, 4878, 5268, 5691, 6146, 7588, 7902, 9219, 9756, 11382, 12292, 15804, 17073, 18438, 22764, 27657, 34146, 36876, 55314, 68292, 110628, 118969, 237938, 356907, 475876, 713814, 832783, 1070721, 1427628, 1665566, 2141442, 2498349, 3331132, 4282884, 4996698, 7495047, 9993396, 14990094, 29980188]

約数ペア:

[(1, 29980188), (2, 14990094), (3, 9993396), (4, 7495047), (6, 4996698), (7, 4282884), (9, 3331132), (12, 2498349), (14, 2141442), (18, 1665566), (21, 1427628), (28, 1070721), (36, 832783), (42, 713814), (63, 475876), (84, 356907), (126, 237938), (252, 118969), (271, 110628), (439, 68292), (542, 55314), (813, 36876), (878, 34146), (1084, 27657), (1317, 22764), (1626, 18438), (1756, 17073), (1897, 15804), (2439, 12292), (2634, 11382), (3073, 9756), (3252, 9219), (3794, 7902), (3951, 7588), (4878, 6146), (5268, 5691)]