2545400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 7030800

約数和(自身を除く): 4485400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 89, 100, 104, 110, 130, 143, 178, 200, 220, 260, 275, 286, 325, 356, 440, 445, 520, 550, 572, 650, 712, 715, 890, 979, 1100, 1144, 1157, 1300, 1430, 1780, 1958, 2200, 2225, 2314, 2600, 2860, 3560, 3575, 3916, 4450, 4628, 4895, 5720, 5785, 7150, 7832, 8900, 9256, 9790, 11570, 12727, 14300, 17800, 19580, 23140, 24475, 25454, 28600, 28925, 39160, 46280, 48950, 50908, 57850, 63635, 97900, 101816, 115700, 127270, 195800, 231400, 254540, 318175, 509080, 636350, 1272700, 2545400]

約数ペア:

[(1, 2545400), (2, 1272700), (4, 636350), (5, 509080), (8, 318175), (10, 254540), (11, 231400), (13, 195800), (20, 127270), (22, 115700), (25, 101816), (26, 97900), (40, 63635), (44, 57850), (50, 50908), (52, 48950), (55, 46280), (65, 39160), (88, 28925), (89, 28600), (100, 25454), (104, 24475), (110, 23140), (130, 19580), (143, 17800), (178, 14300), (200, 12727), (220, 11570), (260, 9790), (275, 9256), (286, 8900), (325, 7832), (356, 7150), (440, 5785), (445, 5720), (520, 4895), (550, 4628), (572, 4450), (650, 3916), (712, 3575), (715, 3560), (890, 2860), (979, 2600), (1100, 2314), (1144, 2225), (1157, 2200), (1300, 1958), (1430, 1780)]