489774880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19013}}^1$

素因数の和:19058

約数の個数: 96

約数和(自身を含む): 1379960064

約数和(自身を除く): 890185184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3220, 3680, 5152, 6440, 12880, 19013, 25760, 38026, 76052, 95065, 133091, 152104, 190130, 266182, 304208, 380260, 437299, 532364, 608416, 665455, 760520, 874598, 1064728, 1330910, 1521040, 1749196, 2129456, 2186495, 2661820, 3042080, 3061093, 3498392, 4258912, 4372990, 5323640, 6122186, 6996784, 8745980, 10647280, 12244372, 13993568, 15305465, 17491960, 21294560, 24488744, 30610930, 34983920, 48977488, 61221860, 69967840, 97954976, 122443720, 244887440, 489774880]

約数ペア:

[(1, 489774880), (2, 244887440), (4, 122443720), (5, 97954976), (7, 69967840), (8, 61221860), (10, 48977488), (14, 34983920), (16, 30610930), (20, 24488744), (23, 21294560), (28, 17491960), (32, 15305465), (35, 13993568), (40, 12244372), (46, 10647280), (56, 8745980), (70, 6996784), (80, 6122186), (92, 5323640), (112, 4372990), (115, 4258912), (140, 3498392), (160, 3061093), (161, 3042080), (184, 2661820), (224, 2186495), (230, 2129456), (280, 1749196), (322, 1521040), (368, 1330910), (460, 1064728), (560, 874598), (644, 760520), (736, 665455), (805, 608416), (920, 532364), (1120, 437299), (1288, 380260), (1610, 304208), (1840, 266182), (2576, 190130), (3220, 152104), (3680, 133091), (5152, 95065), (6440, 76052), (12880, 38026), (19013, 25760)]