642227600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{661}}^1$

素因数の和:1033

約数の個数: 120

約数和(自身を含む): 1771130688

約数和(自身を除く): 1128903088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 347, 350, 400, 560, 661, 694, 700, 1322, 1388, 1400, 1735, 2429, 2644, 2776, 2800, 3305, 3470, 4627, 4858, 5288, 5552, 6610, 6940, 8675, 9254, 9716, 10576, 12145, 13220, 13880, 16525, 17350, 18508, 19432, 23135, 24290, 26440, 27760, 33050, 34700, 37016, 38864, 46270, 48580, 52880, 60725, 66100, 69400, 74032, 92540, 97160, 115675, 121450, 132200, 138800, 185080, 194320, 229367, 231350, 242900, 264400, 370160, 458734, 462700, 485800, 917468, 925400, 971600, 1146835, 1605569, 1834936, 1850800, 2293670, 3211138, 3669872, 4587340, 5734175, 6422276, 8027845, 9174680, 11468350, 12844552, 16055690, 18349360, 22936700, 25689104, 32111380, 40139225, 45873400, 64222760, 80278450, 91746800, 128445520, 160556900, 321113800, 642227600]

約数ペア:

[(1, 642227600), (2, 321113800), (4, 160556900), (5, 128445520), (7, 91746800), (8, 80278450), (10, 64222760), (14, 45873400), (16, 40139225), (20, 32111380), (25, 25689104), (28, 22936700), (35, 18349360), (40, 16055690), (50, 12844552), (56, 11468350), (70, 9174680), (80, 8027845), (100, 6422276), (112, 5734175), (140, 4587340), (175, 3669872), (200, 3211138), (280, 2293670), (347, 1850800), (350, 1834936), (400, 1605569), (560, 1146835), (661, 971600), (694, 925400), (700, 917468), (1322, 485800), (1388, 462700), (1400, 458734), (1735, 370160), (2429, 264400), (2644, 242900), (2776, 231350), (2800, 229367), (3305, 194320), (3470, 185080), (4627, 138800), (4858, 132200), (5288, 121450), (5552, 115675), (6610, 97160), (6940, 92540), (8675, 74032), (9254, 69400), (9716, 66100), (10576, 60725), (12145, 52880), (13220, 48580), (13880, 46270), (16525, 38864), (17350, 37016), (18508, 34700), (19432, 33050), (23135, 27760), (24290, 26440)]