257471800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1847}}^1$

素因数の和:1921

約数の個数: 96

約数和(自身を含む): 649645920

約数和(自身を除く): 392174120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 41, 50, 68, 82, 85, 100, 136, 164, 170, 200, 205, 328, 340, 410, 425, 680, 697, 820, 850, 1025, 1394, 1640, 1700, 1847, 2050, 2788, 3400, 3485, 3694, 4100, 5576, 6970, 7388, 8200, 9235, 13940, 14776, 17425, 18470, 27880, 31399, 34850, 36940, 46175, 62798, 69700, 73880, 75727, 92350, 125596, 139400, 151454, 156995, 184700, 251192, 302908, 313990, 369400, 378635, 605816, 627980, 757270, 784975, 1255960, 1287359, 1514540, 1569950, 1893175, 2574718, 3029080, 3139900, 3786350, 5149436, 6279800, 6436795, 7572700, 10298872, 12873590, 15145400, 25747180, 32183975, 51494360, 64367950, 128735900, 257471800]

約数ペア:

[(1, 257471800), (2, 128735900), (4, 64367950), (5, 51494360), (8, 32183975), (10, 25747180), (17, 15145400), (20, 12873590), (25, 10298872), (34, 7572700), (40, 6436795), (41, 6279800), (50, 5149436), (68, 3786350), (82, 3139900), (85, 3029080), (100, 2574718), (136, 1893175), (164, 1569950), (170, 1514540), (200, 1287359), (205, 1255960), (328, 784975), (340, 757270), (410, 627980), (425, 605816), (680, 378635), (697, 369400), (820, 313990), (850, 302908), (1025, 251192), (1394, 184700), (1640, 156995), (1700, 151454), (1847, 139400), (2050, 125596), (2788, 92350), (3400, 75727), (3485, 73880), (3694, 69700), (4100, 62798), (5576, 46175), (6970, 36940), (7388, 34850), (8200, 31399), (9235, 27880), (13940, 18470), (14776, 17425)]