64605700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 151726400

約数和(自身を除く): 87120700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 475, 703, 740, 919, 925, 950, 1406, 1838, 1850, 1900, 2812, 3515, 3676, 3700, 4595, 7030, 9190, 14060, 17461, 17575, 18380, 22975, 34003, 34922, 35150, 45950, 68006, 69844, 70300, 87305, 91900, 136012, 170015, 174610, 340030, 349220, 436525, 646057, 680060, 850075, 873050, 1292114, 1700150, 1746100, 2584228, 3230285, 3400300, 6460570, 12921140, 16151425, 32302850, 64605700]

約数ペア:

[(1, 64605700), (2, 32302850), (4, 16151425), (5, 12921140), (10, 6460570), (19, 3400300), (20, 3230285), (25, 2584228), (37, 1746100), (38, 1700150), (50, 1292114), (74, 873050), (76, 850075), (95, 680060), (100, 646057), (148, 436525), (185, 349220), (190, 340030), (370, 174610), (380, 170015), (475, 136012), (703, 91900), (740, 87305), (919, 70300), (925, 69844), (950, 68006), (1406, 45950), (1838, 35150), (1850, 34922), (1900, 34003), (2812, 22975), (3515, 18380), (3676, 17575), (3700, 17461), (4595, 14060), (7030, 9190)]