4889713640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{811}}^1$

素因数の和:1243

約数の個数: 128

約数和(自身を含む): 12831678720

約数和(自身を除く): 7941965080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 353, 427, 488, 610, 706, 811, 854, 1220, 1412, 1622, 1708, 1765, 2135, 2440, 2471, 2824, 3244, 3416, 3530, 4055, 4270, 4942, 5677, 6488, 7060, 8110, 8540, 9884, 11354, 12355, 14120, 16220, 17080, 19768, 21533, 22708, 24710, 28385, 32440, 43066, 45416, 49420, 49471, 56770, 86132, 98840, 98942, 107665, 113540, 150731, 172264, 197884, 215330, 227080, 247355, 286283, 301462, 346297, 395768, 430660, 494710, 572566, 602924, 692594, 753655, 861320, 989420, 1145132, 1205848, 1385188, 1431415, 1507310, 1731485, 1978840, 2003981, 2290264, 2770376, 2862830, 3014620, 3462970, 4007962, 5725660, 6029240, 6925940, 8015924, 10019905, 11451320, 13851880, 16031848, 17463263, 20039810, 34926526, 40079620, 69853052, 80159240, 87316315, 122242841, 139706104, 174632630, 244485682, 349265260, 488971364, 611214205, 698530520, 977942728, 1222428410, 2444856820, 4889713640]

約数ペア:

[(1, 4889713640), (2, 2444856820), (4, 1222428410), (5, 977942728), (7, 698530520), (8, 611214205), (10, 488971364), (14, 349265260), (20, 244485682), (28, 174632630), (35, 139706104), (40, 122242841), (56, 87316315), (61, 80159240), (70, 69853052), (122, 40079620), (140, 34926526), (244, 20039810), (280, 17463263), (305, 16031848), (353, 13851880), (427, 11451320), (488, 10019905), (610, 8015924), (706, 6925940), (811, 6029240), (854, 5725660), (1220, 4007962), (1412, 3462970), (1622, 3014620), (1708, 2862830), (1765, 2770376), (2135, 2290264), (2440, 2003981), (2471, 1978840), (2824, 1731485), (3244, 1507310), (3416, 1431415), (3530, 1385188), (4055, 1205848), (4270, 1145132), (4942, 989420), (5677, 861320), (6488, 753655), (7060, 692594), (8110, 602924), (8540, 572566), (9884, 494710), (11354, 430660), (12355, 395768), (14120, 346297), (16220, 301462), (17080, 286283), (19768, 247355), (21533, 227080), (22708, 215330), (24710, 197884), (28385, 172264), (32440, 150731), (43066, 113540), (45416, 107665), (49420, 98942), (49471, 98840), (56770, 86132)]