278322260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{12007}}^1$

素因数の和:12096

約数の個数: 48

約数和(自身を含む): 625376640

約数和(自身を除く): 347054380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 11590, 12007, 23180, 24014, 48028, 60035, 120070, 228133, 240140, 456266, 732427, 912532, 1140665, 1464854, 2281330, 2929708, 3662135, 4562660, 7324270, 13916113, 14648540, 27832226, 55664452, 69580565, 139161130, 278322260]

約数ペア:

[(1, 278322260), (2, 139161130), (4, 69580565), (5, 55664452), (10, 27832226), (19, 14648540), (20, 13916113), (38, 7324270), (61, 4562660), (76, 3662135), (95, 2929708), (122, 2281330), (190, 1464854), (244, 1140665), (305, 912532), (380, 732427), (610, 456266), (1159, 240140), (1220, 228133), (2318, 120070), (4636, 60035), (5795, 48028), (11590, 24014), (12007, 23180)]