31145750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 31753450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 83, 95, 125, 158, 166, 190, 250, 395, 415, 475, 790, 830, 950, 1501, 1577, 1975, 2075, 2375, 3002, 3154, 3950, 4150, 4750, 6557, 7505, 7885, 9875, 10375, 13114, 15010, 15770, 19750, 20750, 32785, 37525, 39425, 65570, 75050, 78850, 124583, 163925, 187625, 197125, 249166, 327850, 375250, 394250, 622915, 819625, 1245830, 1639250, 3114575, 6229150, 15572875, 31145750]

約数ペア:

[(1, 31145750), (2, 15572875), (5, 6229150), (10, 3114575), (19, 1639250), (25, 1245830), (38, 819625), (50, 622915), (79, 394250), (83, 375250), (95, 327850), (125, 249166), (158, 197125), (166, 187625), (190, 163925), (250, 124583), (395, 78850), (415, 75050), (475, 65570), (790, 39425), (830, 37525), (950, 32785), (1501, 20750), (1577, 19750), (1975, 15770), (2075, 15010), (2375, 13114), (3002, 10375), (3154, 9875), (3950, 7885), (4150, 7505), (4750, 6557)]