38935690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 77137920

約数和(自身を除く): 38202230

約数列:

[1, 2, 5, 10, 29, 31, 58, 61, 62, 71, 122, 142, 145, 155, 290, 305, 310, 355, 610, 710, 899, 1769, 1798, 1891, 2059, 2201, 3538, 3782, 4118, 4331, 4402, 4495, 8662, 8845, 8990, 9455, 10295, 11005, 17690, 18910, 20590, 21655, 22010, 43310, 54839, 63829, 109678, 125599, 127658, 134261, 251198, 268522, 274195, 319145, 548390, 627995, 638290, 671305, 1255990, 1342610, 3893569, 7787138, 19467845, 38935690]

約数ペア:

[(1, 38935690), (2, 19467845), (5, 7787138), (10, 3893569), (29, 1342610), (31, 1255990), (58, 671305), (61, 638290), (62, 627995), (71, 548390), (122, 319145), (142, 274195), (145, 268522), (155, 251198), (290, 134261), (305, 127658), (310, 125599), (355, 109678), (610, 63829), (710, 54839), (899, 43310), (1769, 22010), (1798, 21655), (1891, 20590), (2059, 18910), (2201, 17690), (3538, 11005), (3782, 10295), (4118, 9455), (4331, 8990), (4402, 8845), (4495, 8662)]