397495840

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{7243}}^1$

素因数の和:7279

約数の個数: 96

約数和(自身を含む): 1095292800

約数和(自身を除く): 697796960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 7243, 7840, 10976, 13720, 14486, 27440, 28972, 36215, 50701, 54880, 57944, 72430, 101402, 115888, 144860, 202804, 231776, 253505, 289720, 354907, 405608, 507010, 579440, 709814, 811216, 1014020, 1158880, 1419628, 1622432, 1774535, 2028040, 2484349, 2839256, 3549070, 4056080, 4968698, 5678512, 7098140, 8112160, 9937396, 11357024, 12421745, 14196280, 19874792, 24843490, 28392560, 39749584, 49686980, 56785120, 79499168, 99373960, 198747920, 397495840]

約数ペア:

[(1, 397495840), (2, 198747920), (4, 99373960), (5, 79499168), (7, 56785120), (8, 49686980), (10, 39749584), (14, 28392560), (16, 24843490), (20, 19874792), (28, 14196280), (32, 12421745), (35, 11357024), (40, 9937396), (49, 8112160), (56, 7098140), (70, 5678512), (80, 4968698), (98, 4056080), (112, 3549070), (140, 2839256), (160, 2484349), (196, 2028040), (224, 1774535), (245, 1622432), (280, 1419628), (343, 1158880), (392, 1014020), (490, 811216), (560, 709814), (686, 579440), (784, 507010), (980, 405608), (1120, 354907), (1372, 289720), (1568, 253505), (1715, 231776), (1960, 202804), (2744, 144860), (3430, 115888), (3920, 101402), (5488, 72430), (6860, 57944), (7243, 54880), (7840, 50701), (10976, 36215), (13720, 28972), (14486, 27440)]