1900386040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{601}}^1$

素因数の和:1133

約数の個数: 128

約数和(自身を含む): 5118059520

約数和(自身を除く): 3217673480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 491, 601, 644, 805, 920, 982, 1202, 1288, 1610, 1964, 2404, 2455, 3005, 3220, 3437, 3928, 4207, 4808, 4910, 6010, 6440, 6874, 8414, 9820, 11293, 12020, 13748, 13823, 16828, 17185, 19640, 21035, 22586, 24040, 27496, 27646, 33656, 34370, 42070, 45172, 55292, 56465, 68740, 69115, 79051, 84140, 90344, 96761, 110584, 112930, 137480, 138230, 158102, 168280, 193522, 225860, 276460, 295091, 316204, 387044, 395255, 451720, 483805, 552920, 590182, 632408, 774088, 790510, 967610, 1180364, 1475455, 1581020, 1935220, 2065637, 2360728, 2950910, 3162040, 3870440, 4131274, 5901820, 6787093, 8262548, 10328185, 11803640, 13574186, 16525096, 20656370, 27148372, 33935465, 41312740, 47509651, 54296744, 67870930, 82625480, 95019302, 135741860, 190038604, 237548255, 271483720, 380077208, 475096510, 950193020, 1900386040]

約数ペア:

[(1, 1900386040), (2, 950193020), (4, 475096510), (5, 380077208), (7, 271483720), (8, 237548255), (10, 190038604), (14, 135741860), (20, 95019302), (23, 82625480), (28, 67870930), (35, 54296744), (40, 47509651), (46, 41312740), (56, 33935465), (70, 27148372), (92, 20656370), (115, 16525096), (140, 13574186), (161, 11803640), (184, 10328185), (230, 8262548), (280, 6787093), (322, 5901820), (460, 4131274), (491, 3870440), (601, 3162040), (644, 2950910), (805, 2360728), (920, 2065637), (982, 1935220), (1202, 1581020), (1288, 1475455), (1610, 1180364), (1964, 967610), (2404, 790510), (2455, 774088), (3005, 632408), (3220, 590182), (3437, 552920), (3928, 483805), (4207, 451720), (4808, 395255), (4910, 387044), (6010, 316204), (6440, 295091), (6874, 276460), (8414, 225860), (9820, 193522), (11293, 168280), (12020, 158102), (13748, 138230), (13823, 137480), (16828, 112930), (17185, 110584), (19640, 96761), (21035, 90344), (22586, 84140), (24040, 79051), (27496, 69115), (27646, 68740), (33656, 56465), (34370, 55292), (42070, 45172)]