169989820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1213}}^1$

素因数の和:1260

約数の個数: 144

約数和(自身を含む): 488261088

約数和(自身を除く): 318271268

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 455, 490, 539, 572, 637, 715, 770, 910, 980, 1001, 1078, 1213, 1274, 1430, 1540, 1820, 2002, 2156, 2426, 2548, 2695, 2860, 3185, 4004, 4852, 5005, 5390, 6065, 6370, 7007, 8491, 10010, 10780, 12130, 12740, 13343, 14014, 15769, 16982, 20020, 24260, 26686, 28028, 31538, 33964, 35035, 42455, 53372, 59437, 63076, 66715, 70070, 78845, 84910, 93401, 110383, 118874, 133430, 140140, 157690, 169820, 173459, 186802, 220766, 237748, 266860, 297185, 315380, 346918, 373604, 441532, 467005, 551915, 594370, 653807, 693836, 772681, 867295, 934010, 1103830, 1188740, 1214213, 1307614, 1545362, 1734590, 1868020, 2207660, 2428426, 2615228, 3090724, 3269035, 3469180, 3863405, 4856852, 6071065, 6538070, 7726810, 8499491, 12142130, 13076140, 15453620, 16998982, 24284260, 33997964, 42497455, 84994910, 169989820]

約数ペア:

[(1, 169989820), (2, 84994910), (4, 42497455), (5, 33997964), (7, 24284260), (10, 16998982), (11, 15453620), (13, 13076140), (14, 12142130), (20, 8499491), (22, 7726810), (26, 6538070), (28, 6071065), (35, 4856852), (44, 3863405), (49, 3469180), (52, 3269035), (55, 3090724), (65, 2615228), (70, 2428426), (77, 2207660), (91, 1868020), (98, 1734590), (110, 1545362), (130, 1307614), (140, 1214213), (143, 1188740), (154, 1103830), (182, 934010), (196, 867295), (220, 772681), (245, 693836), (260, 653807), (286, 594370), (308, 551915), (364, 467005), (385, 441532), (455, 373604), (490, 346918), (539, 315380), (572, 297185), (637, 266860), (715, 237748), (770, 220766), (910, 186802), (980, 173459), (1001, 169820), (1078, 157690), (1213, 140140), (1274, 133430), (1430, 118874), (1540, 110383), (1820, 93401), (2002, 84910), (2156, 78845), (2426, 70070), (2548, 66715), (2695, 63076), (2860, 59437), (3185, 53372), (4004, 42455), (4852, 35035), (5005, 33964), (5390, 31538), (6065, 28028), (6370, 26686), (7007, 24260), (8491, 20020), (10010, 16982), (10780, 15769), (12130, 14014), (12740, 13343)]