278350760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1193}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 661953600

約数和(自身を除く): 383602840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 307, 380, 614, 760, 1193, 1228, 1535, 2386, 2456, 3070, 4772, 5833, 5965, 6140, 9544, 11666, 11930, 12280, 22667, 23332, 23860, 29165, 45334, 46664, 47720, 58330, 90668, 113335, 116660, 181336, 226670, 233320, 366251, 453340, 732502, 906680, 1465004, 1831255, 2930008, 3662510, 6958769, 7325020, 13917538, 14650040, 27835076, 34793845, 55670152, 69587690, 139175380, 278350760]

約数ペア:

[(1, 278350760), (2, 139175380), (4, 69587690), (5, 55670152), (8, 34793845), (10, 27835076), (19, 14650040), (20, 13917538), (38, 7325020), (40, 6958769), (76, 3662510), (95, 2930008), (152, 1831255), (190, 1465004), (307, 906680), (380, 732502), (614, 453340), (760, 366251), (1193, 233320), (1228, 226670), (1535, 181336), (2386, 116660), (2456, 113335), (3070, 90668), (4772, 58330), (5833, 47720), (5965, 46664), (6140, 45334), (9544, 29165), (11666, 23860), (11930, 23332), (12280, 22667)]