201389380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{683}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 442641024

約数和(自身を除く): 241251644

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 641, 683, 1282, 1366, 2564, 2732, 3205, 3415, 6410, 6830, 12820, 13660, 14743, 15709, 29486, 31418, 58972, 62836, 73715, 78545, 147430, 157090, 294860, 314180, 437803, 875606, 1751212, 2189015, 4378030, 8756060, 10069469, 20138938, 40277876, 50347345, 100694690, 201389380]

約数ペア:

[(1, 201389380), (2, 100694690), (4, 50347345), (5, 40277876), (10, 20138938), (20, 10069469), (23, 8756060), (46, 4378030), (92, 2189015), (115, 1751212), (230, 875606), (460, 437803), (641, 314180), (683, 294860), (1282, 157090), (1366, 147430), (2564, 78545), (2732, 73715), (3205, 62836), (3415, 58972), (6410, 31418), (6830, 29486), (12820, 15709), (13660, 14743)]