28957460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^3$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 76930560

約数和(自身を除く): 47973100

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 92, 115, 119, 140, 161, 170, 230, 238, 322, 340, 391, 460, 476, 529, 595, 644, 782, 805, 1058, 1190, 1564, 1610, 1955, 2116, 2380, 2645, 2737, 3220, 3703, 3910, 5290, 5474, 7406, 7820, 8993, 10580, 10948, 12167, 13685, 14812, 17986, 18515, 24334, 27370, 35972, 37030, 44965, 48668, 54740, 60835, 62951, 74060, 85169, 89930, 121670, 125902, 170338, 179860, 206839, 243340, 251804, 314755, 340676, 413678, 425845, 629510, 827356, 851690, 1034195, 1259020, 1447873, 1703380, 2068390, 2895746, 4136780, 5791492, 7239365, 14478730, 28957460]

約数ペア:

[(1, 28957460), (2, 14478730), (4, 7239365), (5, 5791492), (7, 4136780), (10, 2895746), (14, 2068390), (17, 1703380), (20, 1447873), (23, 1259020), (28, 1034195), (34, 851690), (35, 827356), (46, 629510), (68, 425845), (70, 413678), (85, 340676), (92, 314755), (115, 251804), (119, 243340), (140, 206839), (161, 179860), (170, 170338), (230, 125902), (238, 121670), (322, 89930), (340, 85169), (391, 74060), (460, 62951), (476, 60835), (529, 54740), (595, 48668), (644, 44965), (782, 37030), (805, 35972), (1058, 27370), (1190, 24334), (1564, 18515), (1610, 17986), (1955, 14812), (2116, 13685), (2380, 12167), (2645, 10948), (2737, 10580), (3220, 8993), (3703, 7820), (3910, 7406), (5290, 5474)]