308520072

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 979942860

約数和(自身を除く): 671422788

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 157, 168, 196, 252, 294, 314, 392, 441, 471, 504, 557, 588, 628, 882, 942, 1099, 1114, 1176, 1256, 1413, 1671, 1764, 1884, 2198, 2228, 2826, 3297, 3342, 3528, 3768, 3899, 4396, 4456, 5013, 5652, 6594, 6684, 7693, 7798, 8792, 9891, 10026, 11304, 11697, 13188, 13368, 15386, 15596, 19782, 20052, 23079, 23394, 26376, 27293, 30772, 31192, 35091, 39564, 40104, 46158, 46788, 54586, 61544, 69237, 70182, 79128, 81879, 87449, 92316, 93576, 109172, 138474, 140364, 163758, 174898, 184632, 218344, 245637, 262347, 276948, 280728, 327516, 349796, 491274, 524694, 553896, 612143, 655032, 699592, 787041, 982548, 1049388, 1224286, 1574082, 1836429, 1965096, 2098776, 2448572, 3148164, 3672858, 4285001, 4897144, 5509287, 6296328, 7345716, 8570002, 11018574, 12855003, 14691432, 17140004, 22037148, 25710006, 34280008, 38565009, 44074296, 51420012, 77130018, 102840024, 154260036, 308520072]

約数ペア:

[(1, 308520072), (2, 154260036), (3, 102840024), (4, 77130018), (6, 51420012), (7, 44074296), (8, 38565009), (9, 34280008), (12, 25710006), (14, 22037148), (18, 17140004), (21, 14691432), (24, 12855003), (28, 11018574), (36, 8570002), (42, 7345716), (49, 6296328), (56, 5509287), (63, 4897144), (72, 4285001), (84, 3672858), (98, 3148164), (126, 2448572), (147, 2098776), (157, 1965096), (168, 1836429), (196, 1574082), (252, 1224286), (294, 1049388), (314, 982548), (392, 787041), (441, 699592), (471, 655032), (504, 612143), (557, 553896), (588, 524694), (628, 491274), (882, 349796), (942, 327516), (1099, 280728), (1114, 276948), (1176, 262347), (1256, 245637), (1413, 218344), (1671, 184632), (1764, 174898), (1884, 163758), (2198, 140364), (2228, 138474), (2826, 109172), (3297, 93576), (3342, 92316), (3528, 87449), (3768, 81879), (3899, 79128), (4396, 70182), (4456, 69237), (5013, 61544), (5652, 54586), (6594, 46788), (6684, 46158), (7693, 40104), (7798, 39564), (8792, 35091), (9891, 31192), (10026, 30772), (11304, 27293), (11697, 26376), (13188, 23394), (13368, 23079), (15386, 20052), (15596, 19782)]