2440816.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 31046400

約数和(自身を除く): 17866040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 97, 158, 172, 194, 215, 316, 344, 388, 395, 430, 485, 632, 776, 790, 860, 970, 1580, 1720, 1940, 3160, 3397, 3880, 4171, 6794, 7663, 8342, 13588, 15326, 16684, 16985, 20855, 27176, 30652, 33368, 33970, 38315, 41710, 61304, 67940, 76630, 83420, 135880, 153260, 166840, 306520, 329509, 659018, 1318036, 1647545, 2636072, 3295090, 6590180, 13180360]

約数ペア:

[(1, 13180360), (2, 6590180), (4, 3295090), (5, 2636072), (8, 1647545), (10, 1318036), (20, 659018), (40, 329509), (43, 306520), (79, 166840), (86, 153260), (97, 135880), (158, 83420), (172, 76630), (194, 67940), (215, 61304), (316, 41710), (344, 38315), (388, 33970), (395, 33368), (430, 30652), (485, 27176), (632, 20855), (776, 16985), (790, 16684), (860, 15326), (970, 13588), (1580, 8342), (1720, 7663), (1940, 6794), (3160, 4171), (3397, 3880)]