2006971720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9935

約数の個数: 128

約数和(自身を含む): 5373527040

約数和(自身を除く): 3366555320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 130, 136, 170, 184, 221, 230, 260, 299, 340, 391, 442, 460, 520, 598, 680, 782, 884, 920, 1105, 1196, 1495, 1564, 1768, 1955, 2210, 2392, 2990, 3128, 3910, 4420, 5083, 5980, 7820, 8840, 9871, 10166, 11960, 15640, 19742, 20332, 25415, 39484, 40664, 49355, 50830, 78968, 98710, 101660, 128323, 167807, 197420, 203320, 227033, 256646, 335614, 394840, 454066, 513292, 641615, 671228, 839035, 908132, 1026584, 1135165, 1283230, 1342456, 1678070, 1816264, 2181491, 2270330, 2566460, 2951429, 3356140, 3859561, 4362982, 4540660, 5132920, 5902858, 6712280, 7719122, 8725964, 9081320, 10907455, 11805716, 14757145, 15438244, 17451928, 19297805, 21814910, 23611432, 29514290, 30876488, 38595610, 43629820, 50174293, 59028580, 77191220, 87259640, 100348586, 118057160, 154382440, 200697172, 250871465, 401394344, 501742930, 1003485860, 2006971720]

約数ペア:

[(1, 2006971720), (2, 1003485860), (4, 501742930), (5, 401394344), (8, 250871465), (10, 200697172), (13, 154382440), (17, 118057160), (20, 100348586), (23, 87259640), (26, 77191220), (34, 59028580), (40, 50174293), (46, 43629820), (52, 38595610), (65, 30876488), (68, 29514290), (85, 23611432), (92, 21814910), (104, 19297805), (115, 17451928), (130, 15438244), (136, 14757145), (170, 11805716), (184, 10907455), (221, 9081320), (230, 8725964), (260, 7719122), (299, 6712280), (340, 5902858), (391, 5132920), (442, 4540660), (460, 4362982), (520, 3859561), (598, 3356140), (680, 2951429), (782, 2566460), (884, 2270330), (920, 2181491), (1105, 1816264), (1196, 1678070), (1495, 1342456), (1564, 1283230), (1768, 1135165), (1955, 1026584), (2210, 908132), (2392, 839035), (2990, 671228), (3128, 641615), (3910, 513292), (4420, 454066), (5083, 394840), (5980, 335614), (7820, 256646), (8840, 227033), (9871, 203320), (10166, 197420), (11960, 167807), (15640, 128323), (19742, 101660), (20332, 98710), (25415, 78968), (39484, 50830), (40664, 49355)]