490012240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{1061}}^1$

素因数の和:1348

約数の個数: 80

約数和(自身を含む): 1194673536

約数和(自身を除く): 704661296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 251, 368, 460, 502, 920, 1004, 1061, 1255, 1840, 2008, 2122, 2510, 4016, 4244, 5020, 5305, 5773, 8488, 10040, 10610, 11546, 16976, 20080, 21220, 23092, 24403, 28865, 42440, 46184, 48806, 57730, 84880, 92368, 97612, 115460, 122015, 195224, 230920, 244030, 266311, 390448, 461840, 488060, 532622, 976120, 1065244, 1331555, 1952240, 2130488, 2663110, 4260976, 5326220, 6125153, 10652440, 12250306, 21304880, 24500612, 30625765, 49001224, 61251530, 98002448, 122503060, 245006120, 490012240]

約数ペア:

[(1, 490012240), (2, 245006120), (4, 122503060), (5, 98002448), (8, 61251530), (10, 49001224), (16, 30625765), (20, 24500612), (23, 21304880), (40, 12250306), (46, 10652440), (80, 6125153), (92, 5326220), (115, 4260976), (184, 2663110), (230, 2130488), (251, 1952240), (368, 1331555), (460, 1065244), (502, 976120), (920, 532622), (1004, 488060), (1061, 461840), (1255, 390448), (1840, 266311), (2008, 244030), (2122, 230920), (2510, 195224), (4016, 122015), (4244, 115460), (5020, 97612), (5305, 92368), (5773, 84880), (8488, 57730), (10040, 48806), (10610, 46184), (11546, 42440), (16976, 28865), (20080, 24403), (21220, 23092)]