408059820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{337}}^1$

素因数の和:421

約数の個数: 216

約数和(自身を含む): 1466049312

約数和(自身を除く): 1057989492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 337, 372, 420, 434, 465, 558, 620, 630, 651, 674, 868, 930, 961, 1011, 1085, 1116, 1260, 1302, 1348, 1395, 1685, 1860, 1922, 1953, 2022, 2170, 2359, 2604, 2790, 2883, 3033, 3255, 3370, 3844, 3906, 4044, 4340, 4718, 4805, 5055, 5580, 5766, 6066, 6510, 6727, 6740, 7077, 7812, 8649, 9436, 9610, 9765, 10110, 10447, 11532, 11795, 12132, 13020, 13454, 14154, 14415, 15165, 17298, 19220, 19530, 20181, 20220, 20894, 21231, 23590, 26908, 28308, 28830, 30330, 31341, 33635, 34596, 35385, 39060, 40362, 41788, 42462, 43245, 47180, 52235, 57660, 60543, 60660, 62682, 67270, 70770, 73129, 80724, 84924, 86490, 94023, 100905, 104470, 106155, 121086, 125364, 134540, 141540, 146258, 156705, 172980, 188046, 201810, 208940, 212310, 219387, 242172, 292516, 302715, 313410, 323857, 365645, 376092, 403620, 424620, 438774, 470115, 605430, 626820, 647714, 658161, 731290, 877548, 940230, 971571, 1096935, 1210860, 1295428, 1316322, 1462580, 1619285, 1880460, 1943142, 2193870, 2266999, 2632644, 2914713, 3238570, 3290805, 3886284, 4387740, 4533998, 4857855, 5829426, 6477140, 6581610, 6800997, 9067996, 9715710, 11334995, 11658852, 13163220, 13601994, 14573565, 19431420, 20402991, 22669990, 27203988, 29147130, 34004985, 40805982, 45339980, 58294260, 68009970, 81611964, 102014955, 136019940, 204029910, 408059820]

約数ペア:

[(1, 408059820), (2, 204029910), (3, 136019940), (4, 102014955), (5, 81611964), (6, 68009970), (7, 58294260), (9, 45339980), (10, 40805982), (12, 34004985), (14, 29147130), (15, 27203988), (18, 22669990), (20, 20402991), (21, 19431420), (28, 14573565), (30, 13601994), (31, 13163220), (35, 11658852), (36, 11334995), (42, 9715710), (45, 9067996), (60, 6800997), (62, 6581610), (63, 6477140), (70, 5829426), (84, 4857855), (90, 4533998), (93, 4387740), (105, 3886284), (124, 3290805), (126, 3238570), (140, 2914713), (155, 2632644), (180, 2266999), (186, 2193870), (210, 1943142), (217, 1880460), (252, 1619285), (279, 1462580), (310, 1316322), (315, 1295428), (337, 1210860), (372, 1096935), (420, 971571), (434, 940230), (465, 877548), (558, 731290), (620, 658161), (630, 647714), (651, 626820), (674, 605430), (868, 470115), (930, 438774), (961, 424620), (1011, 403620), (1085, 376092), (1116, 365645), (1260, 323857), (1302, 313410), (1348, 302715), (1395, 292516), (1685, 242172), (1860, 219387), (1922, 212310), (1953, 208940), (2022, 201810), (2170, 188046), (2359, 172980), (2604, 156705), (2790, 146258), (2883, 141540), (3033, 134540), (3255, 125364), (3370, 121086), (3844, 106155), (3906, 104470), (4044, 100905), (4340, 94023), (4718, 86490), (4805, 84924), (5055, 80724), (5580, 73129), (5766, 70770), (6066, 67270), (6510, 62682), (6727, 60660), (6740, 60543), (7077, 57660), (7812, 52235), (8649, 47180), (9436, 43245), (9610, 42462), (9765, 41788), (10110, 40362), (10447, 39060), (11532, 35385), (11795, 34596), (12132, 33635), (13020, 31341), (13454, 30330), (14154, 28830), (14415, 28308), (15165, 26908), (17298, 23590), (19220, 21231), (19530, 20894), (20181, 20220)]