388557730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 778118400

約数和(自身を除く): 389560670

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 151, 157, 298, 302, 314, 745, 755, 785, 1490, 1510, 1570, 1639, 1661, 1727, 3278, 3322, 3454, 8195, 8305, 8635, 16390, 16610, 17270, 22499, 23393, 23707, 44998, 46786, 47414, 112495, 116965, 118535, 224990, 233930, 237070, 247489, 257323, 260777, 494978, 514646, 521554, 1237445, 1286615, 1303885, 2474890, 2573230, 2607770, 3532343, 7064686, 17661715, 35323430, 38855773, 77711546, 194278865, 388557730]

約数ペア:

[(1, 388557730), (2, 194278865), (5, 77711546), (10, 38855773), (11, 35323430), (22, 17661715), (55, 7064686), (110, 3532343), (149, 2607770), (151, 2573230), (157, 2474890), (298, 1303885), (302, 1286615), (314, 1237445), (745, 521554), (755, 514646), (785, 494978), (1490, 260777), (1510, 257323), (1570, 247489), (1639, 237070), (1661, 233930), (1727, 224990), (3278, 118535), (3322, 116965), (3454, 112495), (8195, 47414), (8305, 46786), (8635, 44998), (16390, 23707), (16610, 23393), (17270, 22499)]