2788798520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{7349}}^1$

素因数の和:7592

約数の個数: 64

約数和(自身を含む): 6429780000

約数和(自身を除く): 3640981480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 179, 212, 265, 358, 424, 530, 716, 895, 1060, 1432, 1790, 2120, 3580, 7160, 7349, 9487, 14698, 18974, 29396, 36745, 37948, 47435, 58792, 73490, 75896, 94870, 146980, 189740, 293960, 379480, 389497, 778994, 1315471, 1557988, 1947485, 2630942, 3115976, 3894970, 5261884, 6577355, 7789940, 10523768, 13154710, 15579880, 26309420, 52618840, 69719963, 139439926, 278879852, 348599815, 557759704, 697199630, 1394399260, 2788798520]

約数ペア:

[(1, 2788798520), (2, 1394399260), (4, 697199630), (5, 557759704), (8, 348599815), (10, 278879852), (20, 139439926), (40, 69719963), (53, 52618840), (106, 26309420), (179, 15579880), (212, 13154710), (265, 10523768), (358, 7789940), (424, 6577355), (530, 5261884), (716, 3894970), (895, 3115976), (1060, 2630942), (1432, 1947485), (1790, 1557988), (2120, 1315471), (3580, 778994), (7160, 389497), (7349, 379480), (9487, 293960), (14698, 189740), (18974, 146980), (29396, 94870), (36745, 75896), (37948, 73490), (47435, 58792)]