798681000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20479}}^1$

素因数の和:20516

約数の個数: 128

約数和(自身を含む): 2683699200

約数和(自身を除く): 1885018200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 650, 750, 780, 975, 1000, 1300, 1500, 1560, 1625, 1950, 2600, 3000, 3250, 3900, 4875, 6500, 7800, 9750, 13000, 19500, 20479, 39000, 40958, 61437, 81916, 102395, 122874, 163832, 204790, 245748, 266227, 307185, 409580, 491496, 511975, 532454, 614370, 798681, 819160, 1023950, 1064908, 1228740, 1331135, 1535925, 1597362, 2047900, 2129816, 2457480, 2559875, 2662270, 3071850, 3194724, 3993405, 4095800, 5119750, 5324540, 6143700, 6389448, 6655675, 7679625, 7986810, 10239500, 10649080, 12287400, 13311350, 15359250, 15973620, 19967025, 20479000, 26622700, 30718500, 31947240, 33278375, 39934050, 53245400, 61437000, 66556750, 79868100, 99835125, 133113500, 159736200, 199670250, 266227000, 399340500, 798681000]

約数ペア:

[(1, 798681000), (2, 399340500), (3, 266227000), (4, 199670250), (5, 159736200), (6, 133113500), (8, 99835125), (10, 79868100), (12, 66556750), (13, 61437000), (15, 53245400), (20, 39934050), (24, 33278375), (25, 31947240), (26, 30718500), (30, 26622700), (39, 20479000), (40, 19967025), (50, 15973620), (52, 15359250), (60, 13311350), (65, 12287400), (75, 10649080), (78, 10239500), (100, 7986810), (104, 7679625), (120, 6655675), (125, 6389448), (130, 6143700), (150, 5324540), (156, 5119750), (195, 4095800), (200, 3993405), (250, 3194724), (260, 3071850), (300, 2662270), (312, 2559875), (325, 2457480), (375, 2129816), (390, 2047900), (500, 1597362), (520, 1535925), (600, 1331135), (650, 1228740), (750, 1064908), (780, 1023950), (975, 819160), (1000, 798681), (1300, 614370), (1500, 532454), (1560, 511975), (1625, 491496), (1950, 409580), (2600, 307185), (3000, 266227), (3250, 245748), (3900, 204790), (4875, 163832), (6500, 122874), (7800, 102395), (9750, 81916), (13000, 61437), (19500, 40958), (20479, 39000)]