478653890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 128

約数和(自身を含む): 1083801600

約数和(自身を除く): 605147710

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 79, 95, 110, 130, 143, 158, 190, 209, 223, 247, 286, 395, 418, 446, 494, 715, 790, 869, 1027, 1045, 1115, 1235, 1430, 1501, 1738, 2054, 2090, 2230, 2453, 2470, 2717, 2899, 3002, 4237, 4345, 4906, 5135, 5434, 5798, 7505, 8474, 8690, 10270, 11297, 12265, 13585, 14495, 15010, 16511, 17617, 19513, 21185, 22594, 24530, 27170, 28990, 31889, 33022, 35234, 39026, 42370, 46607, 55081, 56485, 63778, 82555, 88085, 93214, 97565, 110162, 112970, 159445, 165110, 176170, 193787, 195130, 214643, 229021, 233035, 275405, 318890, 334723, 387574, 429286, 458042, 466070, 550810, 605891, 669446, 968935, 1073215, 1145105, 1211782, 1673615, 1937870, 2146430, 2290210, 2519231, 3029455, 3347230, 3681953, 4351399, 5038462, 6058910, 7363906, 8702798, 12596155, 18409765, 21756995, 25192310, 36819530, 43513990, 47865389, 95730778, 239326945, 478653890]

約数ペア:

[(1, 478653890), (2, 239326945), (5, 95730778), (10, 47865389), (11, 43513990), (13, 36819530), (19, 25192310), (22, 21756995), (26, 18409765), (38, 12596155), (55, 8702798), (65, 7363906), (79, 6058910), (95, 5038462), (110, 4351399), (130, 3681953), (143, 3347230), (158, 3029455), (190, 2519231), (209, 2290210), (223, 2146430), (247, 1937870), (286, 1673615), (395, 1211782), (418, 1145105), (446, 1073215), (494, 968935), (715, 669446), (790, 605891), (869, 550810), (1027, 466070), (1045, 458042), (1115, 429286), (1235, 387574), (1430, 334723), (1501, 318890), (1738, 275405), (2054, 233035), (2090, 229021), (2230, 214643), (2453, 195130), (2470, 193787), (2717, 176170), (2899, 165110), (3002, 159445), (4237, 112970), (4345, 110162), (4906, 97565), (5135, 93214), (5434, 88085), (5798, 82555), (7505, 63778), (8474, 56485), (8690, 55081), (10270, 46607), (11297, 42370), (12265, 39026), (13585, 35234), (14495, 33022), (15010, 31889), (16511, 28990), (17617, 27170), (19513, 24530), (21185, 22594)]