163996900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 375225984

約数和(自身を除く): 211229084

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 113, 115, 226, 230, 452, 460, 565, 575, 631, 1130, 1150, 1262, 2260, 2300, 2524, 2599, 2825, 3155, 5198, 5650, 6310, 10396, 11300, 12620, 12995, 14513, 15775, 25990, 29026, 31550, 51980, 58052, 63100, 64975, 71303, 72565, 129950, 142606, 145130, 259900, 285212, 290260, 356515, 362825, 713030, 725650, 1426060, 1451300, 1639969, 1782575, 3279938, 3565150, 6559876, 7130300, 8199845, 16399690, 32799380, 40999225, 81998450, 163996900]

約数ペア:

[(1, 163996900), (2, 81998450), (4, 40999225), (5, 32799380), (10, 16399690), (20, 8199845), (23, 7130300), (25, 6559876), (46, 3565150), (50, 3279938), (92, 1782575), (100, 1639969), (113, 1451300), (115, 1426060), (226, 725650), (230, 713030), (452, 362825), (460, 356515), (565, 290260), (575, 285212), (631, 259900), (1130, 145130), (1150, 142606), (1262, 129950), (2260, 72565), (2300, 71303), (2524, 64975), (2599, 63100), (2825, 58052), (3155, 51980), (5198, 31550), (5650, 29026), (6310, 25990), (10396, 15775), (11300, 14513), (12620, 12995)]