377885720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2647}}^1$

素因数の和:2784

約数の個数: 64

約数和(自身を含む): 880830720

約数和(自身を除く): 502945000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 664, 830, 860, 1660, 1720, 2647, 3320, 3569, 5294, 7138, 10588, 13235, 14276, 17845, 21176, 26470, 28552, 35690, 52940, 71380, 105880, 113821, 142760, 219701, 227642, 439402, 455284, 569105, 878804, 910568, 1098505, 1138210, 1757608, 2197010, 2276420, 4394020, 4552840, 8788040, 9447143, 18894286, 37788572, 47235715, 75577144, 94471430, 188942860, 377885720]

約数ペア:

[(1, 377885720), (2, 188942860), (4, 94471430), (5, 75577144), (8, 47235715), (10, 37788572), (20, 18894286), (40, 9447143), (43, 8788040), (83, 4552840), (86, 4394020), (166, 2276420), (172, 2197010), (215, 1757608), (332, 1138210), (344, 1098505), (415, 910568), (430, 878804), (664, 569105), (830, 455284), (860, 439402), (1660, 227642), (1720, 219701), (2647, 142760), (3320, 113821), (3569, 105880), (5294, 71380), (7138, 52940), (10588, 35690), (13235, 28552), (14276, 26470), (17845, 21176)]