1309898480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{1493}}^1$

素因数の和:2514

約数の個数: 80

約数和(自身を含む): 3327938784

約数和(自身を除く): 2018040304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 997, 1493, 1994, 2986, 3988, 4985, 5972, 7465, 7976, 9970, 10967, 11944, 14930, 15952, 16423, 19940, 21934, 23888, 29860, 32846, 39880, 43868, 54835, 59720, 65692, 79760, 82115, 87736, 109670, 119440, 131384, 164230, 175472, 219340, 262768, 328460, 438680, 656920, 877360, 1313840, 1488521, 2977042, 5954084, 7442605, 11908168, 14885210, 16373731, 23816336, 29770420, 32747462, 59540840, 65494924, 81868655, 119081680, 130989848, 163737310, 261979696, 327474620, 654949240, 1309898480]

約数ペア:

[(1, 1309898480), (2, 654949240), (4, 327474620), (5, 261979696), (8, 163737310), (10, 130989848), (11, 119081680), (16, 81868655), (20, 65494924), (22, 59540840), (40, 32747462), (44, 29770420), (55, 23816336), (80, 16373731), (88, 14885210), (110, 11908168), (176, 7442605), (220, 5954084), (440, 2977042), (880, 1488521), (997, 1313840), (1493, 877360), (1994, 656920), (2986, 438680), (3988, 328460), (4985, 262768), (5972, 219340), (7465, 175472), (7976, 164230), (9970, 131384), (10967, 119440), (11944, 109670), (14930, 87736), (15952, 82115), (16423, 79760), (19940, 65692), (21934, 59720), (23888, 54835), (29860, 43868), (32846, 39880)]