388650780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13411}}^1$

素因数の和:13456

約数の個数: 144

約数和(自身を含む): 1406006784

約数和(自身を除く): 1017356004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2898, 3220, 4140, 4830, 5796, 7245, 9660, 13411, 14490, 26822, 28980, 40233, 53644, 67055, 80466, 93877, 120699, 134110, 160932, 187754, 201165, 241398, 268220, 281631, 308453, 375508, 402330, 469385, 482796, 563262, 603495, 616906, 804660, 844893, 925359, 938770, 1126524, 1206990, 1233812, 1408155, 1542265, 1689786, 1850718, 1877540, 2159171, 2413980, 2776077, 2816310, 3084530, 3379572, 3701436, 4224465, 4318342, 4626795, 5552154, 5632620, 6169060, 6477513, 8448930, 8636684, 9253590, 10795855, 11104308, 12955026, 13880385, 16897860, 18507180, 19432539, 21591710, 25910052, 27760770, 32387565, 38865078, 43183420, 55521540, 64775130, 77730156, 97162695, 129550260, 194325390, 388650780]

約数ペア:

[(1, 388650780), (2, 194325390), (3, 129550260), (4, 97162695), (5, 77730156), (6, 64775130), (7, 55521540), (9, 43183420), (10, 38865078), (12, 32387565), (14, 27760770), (15, 25910052), (18, 21591710), (20, 19432539), (21, 18507180), (23, 16897860), (28, 13880385), (30, 12955026), (35, 11104308), (36, 10795855), (42, 9253590), (45, 8636684), (46, 8448930), (60, 6477513), (63, 6169060), (69, 5632620), (70, 5552154), (84, 4626795), (90, 4318342), (92, 4224465), (105, 3701436), (115, 3379572), (126, 3084530), (138, 2816310), (140, 2776077), (161, 2413980), (180, 2159171), (207, 1877540), (210, 1850718), (230, 1689786), (252, 1542265), (276, 1408155), (315, 1233812), (322, 1206990), (345, 1126524), (414, 938770), (420, 925359), (460, 844893), (483, 804660), (630, 616906), (644, 603495), (690, 563262), (805, 482796), (828, 469385), (966, 402330), (1035, 375508), (1260, 308453), (1380, 281631), (1449, 268220), (1610, 241398), (1932, 201165), (2070, 187754), (2415, 160932), (2898, 134110), (3220, 120699), (4140, 93877), (4830, 80466), (5796, 67055), (7245, 53644), (9660, 40233), (13411, 28980), (14490, 26822)]