645234590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:994

約数の個数: 128

約数和(自身を含む): 1582543872

約数和(自身を除く): 937309282

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 73, 77, 91, 110, 130, 143, 146, 154, 182, 286, 365, 385, 455, 511, 715, 730, 770, 803, 883, 910, 949, 1001, 1022, 1430, 1606, 1766, 1898, 2002, 2555, 4015, 4415, 4745, 5005, 5110, 5621, 6181, 6643, 8030, 8830, 9490, 9713, 10010, 10439, 11242, 11479, 12362, 13286, 19426, 20878, 22958, 28105, 30905, 33215, 48565, 52195, 56210, 57395, 61810, 64459, 66430, 67991, 73073, 80353, 97130, 104390, 114790, 126269, 128918, 135982, 146146, 160706, 252538, 322295, 339955, 365365, 401765, 451213, 631345, 644590, 679910, 709049, 730730, 803530, 837967, 883883, 902426, 1262690, 1418098, 1675934, 1767766, 2256065, 3545245, 4189835, 4419415, 4512130, 4963343, 5865769, 7090490, 8379670, 8838830, 9217637, 9926686, 11731538, 18435274, 24816715, 29328845, 46088185, 49633430, 58657690, 64523459, 92176370, 129046918, 322617295, 645234590]

約数ペア:

[(1, 645234590), (2, 322617295), (5, 129046918), (7, 92176370), (10, 64523459), (11, 58657690), (13, 49633430), (14, 46088185), (22, 29328845), (26, 24816715), (35, 18435274), (55, 11731538), (65, 9926686), (70, 9217637), (73, 8838830), (77, 8379670), (91, 7090490), (110, 5865769), (130, 4963343), (143, 4512130), (146, 4419415), (154, 4189835), (182, 3545245), (286, 2256065), (365, 1767766), (385, 1675934), (455, 1418098), (511, 1262690), (715, 902426), (730, 883883), (770, 837967), (803, 803530), (883, 730730), (910, 709049), (949, 679910), (1001, 644590), (1022, 631345), (1430, 451213), (1606, 401765), (1766, 365365), (1898, 339955), (2002, 322295), (2555, 252538), (4015, 160706), (4415, 146146), (4745, 135982), (5005, 128918), (5110, 126269), (5621, 114790), (6181, 104390), (6643, 97130), (8030, 80353), (8830, 73073), (9490, 67991), (9713, 66430), (10010, 64459), (10439, 61810), (11242, 57395), (11479, 56210), (12362, 52195), (13286, 48565), (19426, 33215), (20878, 30905), (22958, 28105)]