420387900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2659}}^1$

素因数の和:2724

約数の個数: 144

約数和(自身を含む): 1329914880

約数和(自身を除く): 909526980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 31, 34, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 124, 150, 155, 170, 186, 204, 255, 300, 310, 340, 372, 425, 465, 510, 527, 620, 775, 850, 930, 1020, 1054, 1275, 1550, 1581, 1700, 1860, 2108, 2325, 2550, 2635, 2659, 3100, 3162, 4650, 5100, 5270, 5318, 6324, 7905, 7977, 9300, 10540, 10636, 13175, 13295, 15810, 15954, 26350, 26590, 31620, 31908, 39525, 39885, 45203, 52700, 53180, 66475, 79050, 79770, 82429, 90406, 132950, 135609, 158100, 159540, 164858, 180812, 199425, 226015, 247287, 265900, 271218, 329716, 398850, 412145, 452030, 494574, 542436, 678045, 797700, 824290, 904060, 989148, 1130075, 1236435, 1356090, 1401293, 1648580, 2060725, 2260150, 2472870, 2712180, 2802586, 3390225, 4121450, 4203879, 4520300, 4945740, 5605172, 6182175, 6780450, 7006465, 8242900, 8407758, 12364350, 13560900, 14012930, 16815516, 21019395, 24728700, 28025860, 35032325, 42038790, 70064650, 84077580, 105096975, 140129300, 210193950, 420387900]

約数ペア:

[(1, 420387900), (2, 210193950), (3, 140129300), (4, 105096975), (5, 84077580), (6, 70064650), (10, 42038790), (12, 35032325), (15, 28025860), (17, 24728700), (20, 21019395), (25, 16815516), (30, 14012930), (31, 13560900), (34, 12364350), (50, 8407758), (51, 8242900), (60, 7006465), (62, 6780450), (68, 6182175), (75, 5605172), (85, 4945740), (93, 4520300), (100, 4203879), (102, 4121450), (124, 3390225), (150, 2802586), (155, 2712180), (170, 2472870), (186, 2260150), (204, 2060725), (255, 1648580), (300, 1401293), (310, 1356090), (340, 1236435), (372, 1130075), (425, 989148), (465, 904060), (510, 824290), (527, 797700), (620, 678045), (775, 542436), (850, 494574), (930, 452030), (1020, 412145), (1054, 398850), (1275, 329716), (1550, 271218), (1581, 265900), (1700, 247287), (1860, 226015), (2108, 199425), (2325, 180812), (2550, 164858), (2635, 159540), (2659, 158100), (3100, 135609), (3162, 132950), (4650, 90406), (5100, 82429), (5270, 79770), (5318, 79050), (6324, 66475), (7905, 53180), (7977, 52700), (9300, 45203), (10540, 39885), (10636, 39525), (13175, 31908), (13295, 31620), (15810, 26590), (15954, 26350)]