28284540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 85451520

約数和(自身を除く): 57166980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 172, 190, 215, 228, 258, 285, 380, 430, 516, 570, 577, 645, 817, 860, 1140, 1154, 1290, 1634, 1731, 2308, 2451, 2580, 2885, 3268, 3462, 4085, 4902, 5770, 6924, 8170, 8655, 9804, 10963, 11540, 12255, 16340, 17310, 21926, 24510, 24811, 32889, 34620, 43852, 49020, 49622, 54815, 65778, 74433, 99244, 109630, 124055, 131556, 148866, 164445, 219260, 248110, 297732, 328890, 372165, 471409, 496220, 657780, 744330, 942818, 1414227, 1488660, 1885636, 2357045, 2828454, 4714090, 5656908, 7071135, 9428180, 14142270, 28284540]

約数ペア:

[(1, 28284540), (2, 14142270), (3, 9428180), (4, 7071135), (5, 5656908), (6, 4714090), (10, 2828454), (12, 2357045), (15, 1885636), (19, 1488660), (20, 1414227), (30, 942818), (38, 744330), (43, 657780), (57, 496220), (60, 471409), (76, 372165), (86, 328890), (95, 297732), (114, 248110), (129, 219260), (172, 164445), (190, 148866), (215, 131556), (228, 124055), (258, 109630), (285, 99244), (380, 74433), (430, 65778), (516, 54815), (570, 49622), (577, 49020), (645, 43852), (817, 34620), (860, 32889), (1140, 24811), (1154, 24510), (1290, 21926), (1634, 17310), (1731, 16340), (2308, 12255), (2451, 11540), (2580, 10963), (2885, 9804), (3268, 8655), (3462, 8170), (4085, 6924), (4902, 5770)]