255702570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:588

約数の個数: 128

約数和(自身を含む): 691200000

約数和(自身を除く): 435497430

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 31, 38, 57, 58, 62, 87, 93, 95, 114, 145, 155, 174, 186, 190, 285, 290, 310, 435, 465, 499, 551, 570, 589, 870, 899, 930, 998, 1102, 1178, 1497, 1653, 1767, 1798, 2495, 2697, 2755, 2945, 2994, 3306, 3534, 4495, 4990, 5394, 5510, 5890, 7485, 8265, 8835, 8990, 9481, 13485, 14471, 14970, 15469, 16530, 17081, 17670, 18962, 26970, 28443, 28942, 30938, 34162, 43413, 46407, 47405, 51243, 56886, 72355, 77345, 85405, 86826, 92814, 94810, 102486, 142215, 144710, 154690, 170810, 217065, 232035, 256215, 274949, 284430, 293911, 434130, 448601, 464070, 512430, 549898, 587822, 824847, 881733, 897202, 1345803, 1374745, 1469555, 1649694, 1763466, 2243005, 2691606, 2749490, 2939110, 4124235, 4408665, 4486010, 6729015, 8248470, 8523419, 8817330, 13458030, 17046838, 25570257, 42617095, 51140514, 85234190, 127851285, 255702570]

約数ペア:

[(1, 255702570), (2, 127851285), (3, 85234190), (5, 51140514), (6, 42617095), (10, 25570257), (15, 17046838), (19, 13458030), (29, 8817330), (30, 8523419), (31, 8248470), (38, 6729015), (57, 4486010), (58, 4408665), (62, 4124235), (87, 2939110), (93, 2749490), (95, 2691606), (114, 2243005), (145, 1763466), (155, 1649694), (174, 1469555), (186, 1374745), (190, 1345803), (285, 897202), (290, 881733), (310, 824847), (435, 587822), (465, 549898), (499, 512430), (551, 464070), (570, 448601), (589, 434130), (870, 293911), (899, 284430), (930, 274949), (998, 256215), (1102, 232035), (1178, 217065), (1497, 170810), (1653, 154690), (1767, 144710), (1798, 142215), (2495, 102486), (2697, 94810), (2755, 92814), (2945, 86826), (2994, 85405), (3306, 77345), (3534, 72355), (4495, 56886), (4990, 51243), (5394, 47405), (5510, 46407), (5890, 43413), (7485, 34162), (8265, 30938), (8835, 28942), (8990, 28443), (9481, 26970), (13485, 18962), (14471, 17670), (14970, 17081), (15469, 16530)]