440700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 1385328

約数和(自身を除く): 944628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 113, 130, 150, 156, 195, 226, 260, 300, 325, 339, 390, 452, 565, 650, 678, 780, 975, 1130, 1300, 1356, 1469, 1695, 1950, 2260, 2825, 2938, 3390, 3900, 4407, 5650, 5876, 6780, 7345, 8475, 8814, 11300, 14690, 16950, 17628, 22035, 29380, 33900, 36725, 44070, 73450, 88140, 110175, 146900, 220350, 440700]

約数ペア:

[(1, 440700), (2, 220350), (3, 146900), (4, 110175), (5, 88140), (6, 73450), (10, 44070), (12, 36725), (13, 33900), (15, 29380), (20, 22035), (25, 17628), (26, 16950), (30, 14690), (39, 11300), (50, 8814), (52, 8475), (60, 7345), (65, 6780), (75, 5876), (78, 5650), (100, 4407), (113, 3900), (130, 3390), (150, 2938), (156, 2825), (195, 2260), (226, 1950), (260, 1695), (300, 1469), (325, 1356), (339, 1300), (390, 1130), (452, 975), (565, 780), (650, 678)]