209872240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{683}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 512967168

約数和(自身を除く): 303094928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 167, 184, 230, 334, 368, 460, 668, 683, 835, 920, 1336, 1366, 1670, 1840, 2672, 2732, 3340, 3415, 3841, 5464, 6680, 6830, 7682, 10928, 13360, 13660, 15364, 15709, 19205, 27320, 30728, 31418, 38410, 54640, 61456, 62836, 76820, 78545, 114061, 125672, 153640, 157090, 228122, 251344, 307280, 314180, 456244, 570305, 628360, 912488, 1140610, 1256720, 1824976, 2281220, 2623403, 4562440, 5246806, 9124880, 10493612, 13117015, 20987224, 26234030, 41974448, 52468060, 104936120, 209872240]

約数ペア:

[(1, 209872240), (2, 104936120), (4, 52468060), (5, 41974448), (8, 26234030), (10, 20987224), (16, 13117015), (20, 10493612), (23, 9124880), (40, 5246806), (46, 4562440), (80, 2623403), (92, 2281220), (115, 1824976), (167, 1256720), (184, 1140610), (230, 912488), (334, 628360), (368, 570305), (460, 456244), (668, 314180), (683, 307280), (835, 251344), (920, 228122), (1336, 157090), (1366, 153640), (1670, 125672), (1840, 114061), (2672, 78545), (2732, 76820), (3340, 62836), (3415, 61456), (3841, 54640), (5464, 38410), (6680, 31418), (6830, 30728), (7682, 27320), (10928, 19205), (13360, 15709), (13660, 15364)]