26970298520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1\times {\mathrm{647}}^1$

素因数の和:1329

約数の個数: 128

約数和(自身を含む): 66764736000

約数和(自身を除く): 39794437480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 211, 220, 422, 440, 449, 647, 844, 898, 1055, 1294, 1688, 1796, 2110, 2245, 2321, 2588, 3235, 3592, 4220, 4490, 4642, 4939, 5176, 6470, 7117, 8440, 8980, 9284, 9878, 11605, 12940, 14234, 17960, 18568, 19756, 23210, 24695, 25880, 28468, 35585, 39512, 46420, 49390, 56936, 71170, 92840, 94739, 98780, 136517, 142340, 189478, 197560, 273034, 284680, 290503, 378956, 473695, 546068, 581006, 682585, 757912, 947390, 1042129, 1092136, 1162012, 1365170, 1452515, 1501687, 1894780, 2084258, 2324024, 2730340, 2905030, 3003374, 3195533, 3789560, 4168516, 5210645, 5460680, 5810060, 6006748, 6391066, 7508435, 8337032, 10421290, 11620120, 12013496, 12782132, 15016870, 15977665, 20842580, 25564264, 30033740, 31955330, 41685160, 60067480, 61296133, 63910660, 122592266, 127821320, 245184532, 306480665, 490369064, 612961330, 674257463, 1225922660, 1348514926, 2451845320, 2697029852, 3371287315, 5394059704, 6742574630, 13485149260, 26970298520]

約数ペア:

[(1, 26970298520), (2, 13485149260), (4, 6742574630), (5, 5394059704), (8, 3371287315), (10, 2697029852), (11, 2451845320), (20, 1348514926), (22, 1225922660), (40, 674257463), (44, 612961330), (55, 490369064), (88, 306480665), (110, 245184532), (211, 127821320), (220, 122592266), (422, 63910660), (440, 61296133), (449, 60067480), (647, 41685160), (844, 31955330), (898, 30033740), (1055, 25564264), (1294, 20842580), (1688, 15977665), (1796, 15016870), (2110, 12782132), (2245, 12013496), (2321, 11620120), (2588, 10421290), (3235, 8337032), (3592, 7508435), (4220, 6391066), (4490, 6006748), (4642, 5810060), (4939, 5460680), (5176, 5210645), (6470, 4168516), (7117, 3789560), (8440, 3195533), (8980, 3003374), (9284, 2905030), (9878, 2730340), (11605, 2324024), (12940, 2084258), (14234, 1894780), (17960, 1501687), (18568, 1452515), (19756, 1365170), (23210, 1162012), (24695, 1092136), (25880, 1042129), (28468, 947390), (35585, 757912), (39512, 682585), (46420, 581006), (49390, 546068), (56936, 473695), (71170, 378956), (92840, 290503), (94739, 284680), (98780, 273034), (136517, 197560), (142340, 189478)]