138442360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 382579200

約数和(自身を除く): 244136840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 53, 56, 70, 76, 95, 106, 133, 140, 152, 190, 212, 265, 266, 280, 371, 380, 424, 491, 530, 532, 665, 742, 760, 982, 1007, 1060, 1064, 1330, 1484, 1855, 1964, 2014, 2120, 2455, 2660, 2968, 3437, 3710, 3928, 4028, 4910, 5035, 5320, 6874, 7049, 7420, 8056, 9329, 9820, 10070, 13748, 14098, 14840, 17185, 18658, 19640, 20140, 26023, 27496, 28196, 34370, 35245, 37316, 40280, 46645, 52046, 56392, 65303, 68740, 70490, 74632, 93290, 104092, 130115, 130606, 137480, 140980, 182161, 186580, 208184, 260230, 261212, 281960, 326515, 364322, 373160, 494437, 520460, 522424, 653030, 728644, 910805, 988874, 1040920, 1306060, 1457288, 1821610, 1977748, 2472185, 2612120, 3461059, 3643220, 3955496, 4944370, 6922118, 7286440, 9888740, 13844236, 17305295, 19777480, 27688472, 34610590, 69221180, 138442360]

約数ペア:

[(1, 138442360), (2, 69221180), (4, 34610590), (5, 27688472), (7, 19777480), (8, 17305295), (10, 13844236), (14, 9888740), (19, 7286440), (20, 6922118), (28, 4944370), (35, 3955496), (38, 3643220), (40, 3461059), (53, 2612120), (56, 2472185), (70, 1977748), (76, 1821610), (95, 1457288), (106, 1306060), (133, 1040920), (140, 988874), (152, 910805), (190, 728644), (212, 653030), (265, 522424), (266, 520460), (280, 494437), (371, 373160), (380, 364322), (424, 326515), (491, 281960), (530, 261212), (532, 260230), (665, 208184), (742, 186580), (760, 182161), (982, 140980), (1007, 137480), (1060, 130606), (1064, 130115), (1330, 104092), (1484, 93290), (1855, 74632), (1964, 70490), (2014, 68740), (2120, 65303), (2455, 56392), (2660, 52046), (2968, 46645), (3437, 40280), (3710, 37316), (3928, 35245), (4028, 34370), (4910, 28196), (5035, 27496), (5320, 26023), (6874, 20140), (7049, 19640), (7420, 18658), (8056, 17185), (9329, 14840), (9820, 14098), (10070, 13748)]