1990133784

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 5793914880

約数和(自身を除く): 3803781096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 47, 61, 62, 72, 93, 94, 122, 124, 141, 183, 186, 188, 244, 248, 279, 282, 311, 366, 372, 376, 423, 488, 549, 558, 564, 622, 732, 744, 846, 933, 1098, 1116, 1128, 1244, 1457, 1464, 1692, 1866, 1891, 2196, 2232, 2488, 2799, 2867, 2914, 3384, 3732, 3782, 4371, 4392, 5598, 5673, 5734, 5828, 7464, 7564, 8601, 8742, 9641, 11196, 11346, 11468, 11656, 13113, 14617, 15128, 17019, 17202, 17484, 18971, 19282, 22392, 22692, 22936, 25803, 26226, 28923, 29234, 34038, 34404, 34968, 37942, 38564, 43851, 45384, 51606, 52452, 56913, 57846, 58468, 68076, 68808, 75884, 77128, 86769, 87702, 88877, 103212, 104904, 113826, 115692, 116936, 131553, 136152, 151768, 170739, 173538, 175404, 177754, 206424, 227652, 231384, 263106, 266631, 341478, 347076, 350808, 355508, 453127, 455304, 526212, 533262, 588101, 682956, 694152, 711016, 799893, 891637, 906254, 1052424, 1066524, 1176202, 1359381, 1365912, 1599786, 1764303, 1783274, 1812508, 2133048, 2352404, 2674911, 2718762, 3199572, 3528606, 3566548, 3625016, 4078143, 4704808, 5292909, 5349822, 5437524, 6399144, 7057212, 7133096, 8024733, 8156286, 10585818, 10699644, 10875048, 14114424, 16049466, 16312572, 21171636, 21399288, 27640747, 32098932, 32625144, 42343272, 55281494, 64197864, 82922241, 110562988, 165844482, 221125976, 248766723, 331688964, 497533446, 663377928, 995066892, 1990133784]

約数ペア:

[(1, 1990133784), (2, 995066892), (3, 663377928), (4, 497533446), (6, 331688964), (8, 248766723), (9, 221125976), (12, 165844482), (18, 110562988), (24, 82922241), (31, 64197864), (36, 55281494), (47, 42343272), (61, 32625144), (62, 32098932), (72, 27640747), (93, 21399288), (94, 21171636), (122, 16312572), (124, 16049466), (141, 14114424), (183, 10875048), (186, 10699644), (188, 10585818), (244, 8156286), (248, 8024733), (279, 7133096), (282, 7057212), (311, 6399144), (366, 5437524), (372, 5349822), (376, 5292909), (423, 4704808), (488, 4078143), (549, 3625016), (558, 3566548), (564, 3528606), (622, 3199572), (732, 2718762), (744, 2674911), (846, 2352404), (933, 2133048), (1098, 1812508), (1116, 1783274), (1128, 1764303), (1244, 1599786), (1457, 1365912), (1464, 1359381), (1692, 1176202), (1866, 1066524), (1891, 1052424), (2196, 906254), (2232, 891637), (2488, 799893), (2799, 711016), (2867, 694152), (2914, 682956), (3384, 588101), (3732, 533262), (3782, 526212), (4371, 455304), (4392, 453127), (5598, 355508), (5673, 350808), (5734, 347076), (5828, 341478), (7464, 266631), (7564, 263106), (8601, 231384), (8742, 227652), (9641, 206424), (11196, 177754), (11346, 175404), (11468, 173538), (11656, 170739), (13113, 151768), (14617, 136152), (15128, 131553), (17019, 116936), (17202, 115692), (17484, 113826), (18971, 104904), (19282, 103212), (22392, 88877), (22692, 87702), (22936, 86769), (25803, 77128), (26226, 75884), (28923, 68808), (29234, 68076), (34038, 58468), (34404, 57846), (34968, 56913), (37942, 52452), (38564, 51606), (43851, 45384)]