221223210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 616460544

約数和(自身を除く): 395237334

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 61, 65, 78, 85, 102, 122, 130, 170, 183, 195, 221, 255, 305, 366, 390, 442, 510, 547, 610, 663, 793, 915, 1037, 1094, 1105, 1326, 1586, 1641, 1830, 2074, 2210, 2379, 2735, 3111, 3282, 3315, 3965, 4758, 5185, 5470, 6222, 6630, 7111, 7930, 8205, 9299, 10370, 11895, 13481, 14222, 15555, 16410, 18598, 21333, 23790, 26962, 27897, 31110, 33367, 35555, 40443, 42666, 46495, 55794, 66734, 67405, 71110, 80886, 92990, 100101, 106665, 120887, 134810, 139485, 166835, 200202, 202215, 213330, 241774, 278970, 333670, 362661, 404430, 433771, 500505, 567239, 604435, 725322, 867542, 1001010, 1134478, 1208870, 1301313, 1701717, 1813305, 2168855, 2602626, 2836195, 3403434, 3626610, 4337710, 5672390, 6506565, 7374107, 8508585, 13013130, 14748214, 17017170, 22122321, 36870535, 44244642, 73741070, 110611605, 221223210]

約数ペア:

[(1, 221223210), (2, 110611605), (3, 73741070), (5, 44244642), (6, 36870535), (10, 22122321), (13, 17017170), (15, 14748214), (17, 13013130), (26, 8508585), (30, 7374107), (34, 6506565), (39, 5672390), (51, 4337710), (61, 3626610), (65, 3403434), (78, 2836195), (85, 2602626), (102, 2168855), (122, 1813305), (130, 1701717), (170, 1301313), (183, 1208870), (195, 1134478), (221, 1001010), (255, 867542), (305, 725322), (366, 604435), (390, 567239), (442, 500505), (510, 433771), (547, 404430), (610, 362661), (663, 333670), (793, 278970), (915, 241774), (1037, 213330), (1094, 202215), (1105, 200202), (1326, 166835), (1586, 139485), (1641, 134810), (1830, 120887), (2074, 106665), (2210, 100101), (2379, 92990), (2735, 80886), (3111, 71110), (3282, 67405), (3315, 66734), (3965, 55794), (4758, 46495), (5185, 42666), (5470, 40443), (6222, 35555), (6630, 33367), (7111, 31110), (7930, 27897), (8205, 26962), (9299, 23790), (10370, 21333), (11895, 18598), (13481, 16410), (14222, 15555)]