77972300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 132014260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 29, 35, 46, 50, 58, 70, 92, 100, 115, 116, 140, 145, 161, 167, 175, 203, 230, 290, 322, 334, 350, 406, 460, 575, 580, 644, 667, 668, 700, 725, 805, 812, 835, 1015, 1150, 1169, 1334, 1450, 1610, 1670, 2030, 2300, 2338, 2668, 2900, 3220, 3335, 3340, 3841, 4025, 4060, 4175, 4669, 4676, 4843, 5075, 5845, 6670, 7682, 8050, 8350, 9338, 9686, 10150, 11690, 13340, 15364, 16100, 16675, 16700, 18676, 19205, 19372, 20300, 23345, 23380, 24215, 26887, 29225, 33350, 33901, 38410, 46690, 48430, 53774, 58450, 66700, 67802, 76820, 93380, 96025, 96860, 107548, 111389, 116725, 116900, 121075, 134435, 135604, 169505, 192050, 222778, 233450, 242150, 268870, 339010, 384100, 445556, 466900, 484300, 537740, 556945, 672175, 678020, 779723, 847525, 1113890, 1344350, 1559446, 1695050, 2227780, 2688700, 2784725, 3118892, 3390100, 3898615, 5569450, 7797230, 11138900, 15594460, 19493075, 38986150, 77972300]

約数ペア:

[(1, 77972300), (2, 38986150), (4, 19493075), (5, 15594460), (7, 11138900), (10, 7797230), (14, 5569450), (20, 3898615), (23, 3390100), (25, 3118892), (28, 2784725), (29, 2688700), (35, 2227780), (46, 1695050), (50, 1559446), (58, 1344350), (70, 1113890), (92, 847525), (100, 779723), (115, 678020), (116, 672175), (140, 556945), (145, 537740), (161, 484300), (167, 466900), (175, 445556), (203, 384100), (230, 339010), (290, 268870), (322, 242150), (334, 233450), (350, 222778), (406, 192050), (460, 169505), (575, 135604), (580, 134435), (644, 121075), (667, 116900), (668, 116725), (700, 111389), (725, 107548), (805, 96860), (812, 96025), (835, 93380), (1015, 76820), (1150, 67802), (1169, 66700), (1334, 58450), (1450, 53774), (1610, 48430), (1670, 46690), (2030, 38410), (2300, 33901), (2338, 33350), (2668, 29225), (2900, 26887), (3220, 24215), (3335, 23380), (3340, 23345), (3841, 20300), (4025, 19372), (4060, 19205), (4175, 18676), (4669, 16700), (4676, 16675), (4843, 16100), (5075, 15364), (5845, 13340), (6670, 11690), (7682, 10150), (8050, 9686), (8350, 9338)]