320430250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 754790400

約数和(自身を除く): 434360150

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 25, 35, 38, 46, 50, 70, 95, 115, 125, 133, 161, 175, 190, 230, 250, 266, 322, 350, 419, 437, 475, 575, 665, 805, 838, 874, 875, 950, 1150, 1330, 1610, 1750, 2095, 2185, 2375, 2875, 2933, 3059, 3325, 4025, 4190, 4370, 4750, 5750, 5866, 6118, 6650, 7961, 8050, 9637, 10475, 10925, 14665, 15295, 15922, 16625, 19274, 20125, 20950, 21850, 29330, 30590, 33250, 39805, 40250, 48185, 52375, 54625, 55727, 67459, 73325, 76475, 79610, 96370, 104750, 109250, 111454, 134918, 146650, 152950, 183103, 199025, 240925, 278635, 337295, 366206, 366625, 382375, 398050, 481850, 557270, 674590, 733250, 764750, 915515, 995125, 1204625, 1281721, 1393175, 1686475, 1831030, 1990250, 2409250, 2563442, 2786350, 3372950, 4577575, 6408605, 6965875, 8432375, 9155150, 12817210, 13931750, 16864750, 22887875, 32043025, 45775750, 64086050, 160215125, 320430250]

約数ペア:

[(1, 320430250), (2, 160215125), (5, 64086050), (7, 45775750), (10, 32043025), (14, 22887875), (19, 16864750), (23, 13931750), (25, 12817210), (35, 9155150), (38, 8432375), (46, 6965875), (50, 6408605), (70, 4577575), (95, 3372950), (115, 2786350), (125, 2563442), (133, 2409250), (161, 1990250), (175, 1831030), (190, 1686475), (230, 1393175), (250, 1281721), (266, 1204625), (322, 995125), (350, 915515), (419, 764750), (437, 733250), (475, 674590), (575, 557270), (665, 481850), (805, 398050), (838, 382375), (874, 366625), (875, 366206), (950, 337295), (1150, 278635), (1330, 240925), (1610, 199025), (1750, 183103), (2095, 152950), (2185, 146650), (2375, 134918), (2875, 111454), (2933, 109250), (3059, 104750), (3325, 96370), (4025, 79610), (4190, 76475), (4370, 73325), (4750, 67459), (5750, 55727), (5866, 54625), (6118, 52375), (6650, 48185), (7961, 40250), (8050, 39805), (9637, 33250), (10475, 30590), (10925, 29330), (14665, 21850), (15295, 20950), (15922, 20125), (16625, 19274)]