395710040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 1019934720

約数和(自身を除く): 624224680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 67, 88, 110, 124, 134, 155, 220, 248, 268, 310, 335, 341, 433, 440, 536, 620, 670, 682, 737, 866, 1240, 1340, 1364, 1474, 1705, 1732, 2077, 2165, 2680, 2728, 2948, 3410, 3464, 3685, 4154, 4330, 4763, 5896, 6820, 7370, 8308, 8660, 9526, 10385, 13423, 13640, 14740, 16616, 17320, 19052, 20770, 22847, 23815, 26846, 29011, 29480, 38104, 41540, 45694, 47630, 53692, 58022, 67115, 83080, 91388, 95260, 107384, 114235, 116044, 134230, 145055, 147653, 182776, 190520, 228470, 232088, 268460, 290110, 295306, 319121, 456940, 536920, 580220, 590612, 638242, 738265, 899341, 913880, 1160440, 1181224, 1276484, 1476530, 1595605, 1798682, 2552968, 2953060, 3191210, 3597364, 4496705, 5906120, 6382420, 7194728, 8993410, 9892751, 12764840, 17986820, 19785502, 35973640, 39571004, 49463755, 79142008, 98927510, 197855020, 395710040]

約数ペア:

[(1, 395710040), (2, 197855020), (4, 98927510), (5, 79142008), (8, 49463755), (10, 39571004), (11, 35973640), (20, 19785502), (22, 17986820), (31, 12764840), (40, 9892751), (44, 8993410), (55, 7194728), (62, 6382420), (67, 5906120), (88, 4496705), (110, 3597364), (124, 3191210), (134, 2953060), (155, 2552968), (220, 1798682), (248, 1595605), (268, 1476530), (310, 1276484), (335, 1181224), (341, 1160440), (433, 913880), (440, 899341), (536, 738265), (620, 638242), (670, 590612), (682, 580220), (737, 536920), (866, 456940), (1240, 319121), (1340, 295306), (1364, 290110), (1474, 268460), (1705, 232088), (1732, 228470), (2077, 190520), (2165, 182776), (2680, 147653), (2728, 145055), (2948, 134230), (3410, 116044), (3464, 114235), (3685, 107384), (4154, 95260), (4330, 91388), (4763, 83080), (5896, 67115), (6820, 58022), (7370, 53692), (8308, 47630), (8660, 45694), (9526, 41540), (10385, 38104), (13423, 29480), (13640, 29011), (14740, 26846), (16616, 23815), (17320, 22847), (19052, 20770)]