990188112

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{10909}}^1$

素因数の和:11012

約数の個数: 80

約数和(自身を含む): 2684034560

約数和(自身を除く): 1693846448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 61, 62, 93, 122, 124, 183, 186, 244, 248, 366, 372, 488, 496, 732, 744, 976, 1464, 1488, 1891, 2928, 3782, 5673, 7564, 10909, 11346, 15128, 21818, 22692, 30256, 32727, 43636, 45384, 65454, 87272, 90768, 130908, 174544, 261816, 338179, 523632, 665449, 676358, 1014537, 1330898, 1352716, 1996347, 2029074, 2661796, 2705432, 3992694, 4058148, 5323592, 5410864, 7985388, 8116296, 10647184, 15970776, 16232592, 20628919, 31941552, 41257838, 61886757, 82515676, 123773514, 165031352, 247547028, 330062704, 495094056, 990188112]

約数ペア:

[(1, 990188112), (2, 495094056), (3, 330062704), (4, 247547028), (6, 165031352), (8, 123773514), (12, 82515676), (16, 61886757), (24, 41257838), (31, 31941552), (48, 20628919), (61, 16232592), (62, 15970776), (93, 10647184), (122, 8116296), (124, 7985388), (183, 5410864), (186, 5323592), (244, 4058148), (248, 3992694), (366, 2705432), (372, 2661796), (488, 2029074), (496, 1996347), (732, 1352716), (744, 1330898), (976, 1014537), (1464, 676358), (1488, 665449), (1891, 523632), (2928, 338179), (3782, 261816), (5673, 174544), (7564, 130908), (10909, 90768), (11346, 87272), (15128, 65454), (21818, 45384), (22692, 43636), (30256, 32727)]