220431400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 605586240

約数和(自身を除く): 385154840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 83, 98, 100, 140, 166, 175, 196, 200, 245, 271, 280, 332, 350, 392, 415, 490, 542, 581, 664, 700, 830, 980, 1084, 1162, 1225, 1355, 1400, 1660, 1897, 1960, 2075, 2168, 2324, 2450, 2710, 2905, 3320, 3794, 4067, 4150, 4648, 4900, 5420, 5810, 6775, 7588, 8134, 8300, 9485, 9800, 10840, 11620, 13279, 13550, 14525, 15176, 16268, 16600, 18970, 20335, 22493, 23240, 26558, 27100, 29050, 32536, 37940, 40670, 44986, 47425, 53116, 54200, 58100, 66395, 75880, 81340, 89972, 94850, 101675, 106232, 112465, 116200, 132790, 157451, 162680, 179944, 189700, 203350, 224930, 265580, 314902, 331975, 379400, 406700, 449860, 531160, 562325, 629804, 663950, 787255, 813400, 899720, 1102157, 1124650, 1259608, 1327900, 1574510, 2204314, 2249300, 2655800, 3149020, 3936275, 4408628, 4498600, 5510785, 6298040, 7872550, 8817256, 11021570, 15745100, 22043140, 27553925, 31490200, 44086280, 55107850, 110215700, 220431400]

約数ペア:

[(1, 220431400), (2, 110215700), (4, 55107850), (5, 44086280), (7, 31490200), (8, 27553925), (10, 22043140), (14, 15745100), (20, 11021570), (25, 8817256), (28, 7872550), (35, 6298040), (40, 5510785), (49, 4498600), (50, 4408628), (56, 3936275), (70, 3149020), (83, 2655800), (98, 2249300), (100, 2204314), (140, 1574510), (166, 1327900), (175, 1259608), (196, 1124650), (200, 1102157), (245, 899720), (271, 813400), (280, 787255), (332, 663950), (350, 629804), (392, 562325), (415, 531160), (490, 449860), (542, 406700), (581, 379400), (664, 331975), (700, 314902), (830, 265580), (980, 224930), (1084, 203350), (1162, 189700), (1225, 179944), (1355, 162680), (1400, 157451), (1660, 132790), (1897, 116200), (1960, 112465), (2075, 106232), (2168, 101675), (2324, 94850), (2450, 89972), (2710, 81340), (2905, 75880), (3320, 66395), (3794, 58100), (4067, 54200), (4150, 53116), (4648, 47425), (4900, 44986), (5420, 40670), (5810, 37940), (6775, 32536), (7588, 29050), (8134, 27100), (8300, 26558), (9485, 23240), (9800, 22493), (10840, 20335), (11620, 18970), (13279, 16600), (13550, 16268), (14525, 15176)]