91420550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 72

約数和(自身を含む): 190612800

約数和(自身を除く): 99192250

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 310, 325, 338, 349, 403, 650, 698, 775, 806, 845, 1550, 1690, 1745, 2015, 3490, 4030, 4225, 4537, 5239, 8450, 8725, 9074, 10075, 10478, 10819, 17450, 20150, 21638, 22685, 26195, 45370, 52390, 54095, 58981, 108190, 113425, 117962, 130975, 140647, 226850, 261950, 270475, 281294, 294905, 540950, 589810, 703235, 1406470, 1474525, 1828411, 2949050, 3516175, 3656822, 7032350, 9142055, 18284110, 45710275, 91420550]

約数ペア:

[(1, 91420550), (2, 45710275), (5, 18284110), (10, 9142055), (13, 7032350), (25, 3656822), (26, 3516175), (31, 2949050), (50, 1828411), (62, 1474525), (65, 1406470), (130, 703235), (155, 589810), (169, 540950), (310, 294905), (325, 281294), (338, 270475), (349, 261950), (403, 226850), (650, 140647), (698, 130975), (775, 117962), (806, 113425), (845, 108190), (1550, 58981), (1690, 54095), (1745, 52390), (2015, 45370), (3490, 26195), (4030, 22685), (4225, 21638), (4537, 20150), (5239, 17450), (8450, 10819), (8725, 10478), (9074, 10075)]