228431320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1621}}^1$

素因数の和:1916

約数の個数: 64

約数和(自身を含む): 555891840

約数和(自身を除く): 327460520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 520, 542, 1084, 1355, 1621, 2168, 2710, 3242, 3523, 5420, 6484, 7046, 8105, 10840, 12968, 14092, 16210, 17615, 21073, 28184, 32420, 35230, 42146, 64840, 70460, 84292, 105365, 140920, 168584, 210730, 421460, 439291, 842920, 878582, 1757164, 2196455, 3514328, 4392910, 5710783, 8785820, 11421566, 17571640, 22843132, 28553915, 45686264, 57107830, 114215660, 228431320]

約数ペア:

[(1, 228431320), (2, 114215660), (4, 57107830), (5, 45686264), (8, 28553915), (10, 22843132), (13, 17571640), (20, 11421566), (26, 8785820), (40, 5710783), (52, 4392910), (65, 3514328), (104, 2196455), (130, 1757164), (260, 878582), (271, 842920), (520, 439291), (542, 421460), (1084, 210730), (1355, 168584), (1621, 140920), (2168, 105365), (2710, 84292), (3242, 70460), (3523, 64840), (5420, 42146), (6484, 35230), (7046, 32420), (8105, 28184), (10840, 21073), (12968, 17615), (14092, 16210)]