490738290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1428

約数の個数: 128

約数和(自身を含む): 1416337920

約数和(自身を除く): 925599630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 61, 70, 87, 105, 122, 145, 174, 183, 203, 210, 290, 305, 366, 406, 427, 435, 609, 610, 854, 870, 915, 1015, 1218, 1281, 1321, 1769, 1830, 2030, 2135, 2562, 2642, 3045, 3538, 3963, 4270, 5307, 6090, 6405, 6605, 7926, 8845, 9247, 10614, 12383, 12810, 13210, 17690, 18494, 19815, 24766, 26535, 27741, 37149, 38309, 39630, 46235, 53070, 55482, 61915, 74298, 76618, 80581, 92470, 114927, 123830, 138705, 161162, 185745, 191545, 229854, 241743, 268163, 277410, 371490, 383090, 402905, 483486, 536326, 564067, 574635, 804489, 805810, 1128134, 1149270, 1208715, 1340815, 1608978, 1692201, 2336849, 2417430, 2681630, 2820335, 3384402, 4022445, 4673698, 5640670, 7010547, 8044890, 8461005, 11684245, 14021094, 16357943, 16922010, 23368490, 32715886, 35052735, 49073829, 70105470, 81789715, 98147658, 163579430, 245369145, 490738290]

約数ペア:

[(1, 490738290), (2, 245369145), (3, 163579430), (5, 98147658), (6, 81789715), (7, 70105470), (10, 49073829), (14, 35052735), (15, 32715886), (21, 23368490), (29, 16922010), (30, 16357943), (35, 14021094), (42, 11684245), (58, 8461005), (61, 8044890), (70, 7010547), (87, 5640670), (105, 4673698), (122, 4022445), (145, 3384402), (174, 2820335), (183, 2681630), (203, 2417430), (210, 2336849), (290, 1692201), (305, 1608978), (366, 1340815), (406, 1208715), (427, 1149270), (435, 1128134), (609, 805810), (610, 804489), (854, 574635), (870, 564067), (915, 536326), (1015, 483486), (1218, 402905), (1281, 383090), (1321, 371490), (1769, 277410), (1830, 268163), (2030, 241743), (2135, 229854), (2562, 191545), (2642, 185745), (3045, 161162), (3538, 138705), (3963, 123830), (4270, 114927), (5307, 92470), (6090, 80581), (6405, 76618), (6605, 74298), (7926, 61915), (8845, 55482), (9247, 53070), (10614, 46235), (12383, 39630), (12810, 38309), (13210, 37149), (17690, 27741), (18494, 26535), (19815, 24766)]