238805320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 619799040

約数和(自身を除く): 380993720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 41, 46, 52, 65, 82, 92, 104, 115, 130, 164, 184, 205, 230, 260, 299, 328, 410, 460, 487, 520, 533, 598, 820, 920, 943, 974, 1066, 1196, 1495, 1640, 1886, 1948, 2132, 2392, 2435, 2665, 2990, 3772, 3896, 4264, 4715, 4870, 5330, 5980, 6331, 7544, 9430, 9740, 10660, 11201, 11960, 12259, 12662, 18860, 19480, 19967, 21320, 22402, 24518, 25324, 31655, 37720, 39934, 44804, 49036, 50648, 56005, 61295, 63310, 79868, 89608, 98072, 99835, 112010, 122590, 126620, 145613, 159736, 199670, 224020, 245180, 253240, 259571, 291226, 399340, 448040, 459241, 490360, 519142, 582452, 728065, 798680, 918482, 1038284, 1164904, 1297855, 1456130, 1836964, 2076568, 2296205, 2595710, 2912260, 3673928, 4592410, 5191420, 5824520, 5970133, 9184820, 10382840, 11940266, 18369640, 23880532, 29850665, 47761064, 59701330, 119402660, 238805320]

約数ペア:

[(1, 238805320), (2, 119402660), (4, 59701330), (5, 47761064), (8, 29850665), (10, 23880532), (13, 18369640), (20, 11940266), (23, 10382840), (26, 9184820), (40, 5970133), (41, 5824520), (46, 5191420), (52, 4592410), (65, 3673928), (82, 2912260), (92, 2595710), (104, 2296205), (115, 2076568), (130, 1836964), (164, 1456130), (184, 1297855), (205, 1164904), (230, 1038284), (260, 918482), (299, 798680), (328, 728065), (410, 582452), (460, 519142), (487, 490360), (520, 459241), (533, 448040), (598, 399340), (820, 291226), (920, 259571), (943, 253240), (974, 245180), (1066, 224020), (1196, 199670), (1495, 159736), (1640, 145613), (1886, 126620), (1948, 122590), (2132, 112010), (2392, 99835), (2435, 98072), (2665, 89608), (2990, 79868), (3772, 63310), (3896, 61295), (4264, 56005), (4715, 50648), (4870, 49036), (5330, 44804), (5980, 39934), (6331, 37720), (7544, 31655), (9430, 25324), (9740, 24518), (10660, 22402), (11201, 21320), (11960, 19967), (12259, 19480), (12662, 18860)]