389657940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 1288949760

約数和(自身を除く): 899291820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 73, 84, 105, 140, 142, 146, 179, 210, 213, 219, 284, 292, 355, 358, 365, 420, 426, 438, 497, 511, 537, 710, 716, 730, 852, 876, 895, 994, 1022, 1065, 1074, 1095, 1253, 1420, 1460, 1491, 1533, 1790, 1988, 2044, 2130, 2148, 2190, 2485, 2506, 2555, 2685, 2982, 3066, 3580, 3759, 4260, 4380, 4970, 5012, 5110, 5183, 5370, 5964, 6132, 6265, 7455, 7518, 7665, 9940, 10220, 10366, 10740, 12530, 12709, 13067, 14910, 15036, 15330, 15549, 18795, 20732, 25060, 25418, 25915, 26134, 29820, 30660, 31098, 36281, 37590, 38127, 39201, 50836, 51830, 52268, 62196, 63545, 65335, 72562, 75180, 76254, 77745, 78402, 88963, 91469, 103660, 108843, 127090, 130670, 145124, 152508, 155490, 156804, 177926, 181405, 182938, 190635, 196005, 217686, 254180, 261340, 266889, 274407, 310980, 355852, 362810, 365876, 381270, 392010, 435372, 444815, 457345, 533778, 544215, 548814, 725620, 762540, 784020, 889630, 914690, 927757, 1067556, 1088430, 1097628, 1334445, 1372035, 1779260, 1829380, 1855514, 2176860, 2668890, 2744070, 2783271, 3711028, 4638785, 5337780, 5488140, 5566542, 6494299, 9277570, 11133084, 12988598, 13916355, 18555140, 19482897, 25977196, 27832710, 32471495, 38965794, 55665420, 64942990, 77931588, 97414485, 129885980, 194828970, 389657940]

約数ペア:

[(1, 389657940), (2, 194828970), (3, 129885980), (4, 97414485), (5, 77931588), (6, 64942990), (7, 55665420), (10, 38965794), (12, 32471495), (14, 27832710), (15, 25977196), (20, 19482897), (21, 18555140), (28, 13916355), (30, 12988598), (35, 11133084), (42, 9277570), (60, 6494299), (70, 5566542), (71, 5488140), (73, 5337780), (84, 4638785), (105, 3711028), (140, 2783271), (142, 2744070), (146, 2668890), (179, 2176860), (210, 1855514), (213, 1829380), (219, 1779260), (284, 1372035), (292, 1334445), (355, 1097628), (358, 1088430), (365, 1067556), (420, 927757), (426, 914690), (438, 889630), (497, 784020), (511, 762540), (537, 725620), (710, 548814), (716, 544215), (730, 533778), (852, 457345), (876, 444815), (895, 435372), (994, 392010), (1022, 381270), (1065, 365876), (1074, 362810), (1095, 355852), (1253, 310980), (1420, 274407), (1460, 266889), (1491, 261340), (1533, 254180), (1790, 217686), (1988, 196005), (2044, 190635), (2130, 182938), (2148, 181405), (2190, 177926), (2485, 156804), (2506, 155490), (2555, 152508), (2685, 145124), (2982, 130670), (3066, 127090), (3580, 108843), (3759, 103660), (4260, 91469), (4380, 88963), (4970, 78402), (5012, 77745), (5110, 76254), (5183, 75180), (5370, 72562), (5964, 65335), (6132, 63545), (6265, 62196), (7455, 52268), (7518, 51830), (7665, 50836), (9940, 39201), (10220, 38127), (10366, 37590), (10740, 36281), (12530, 31098), (12709, 30660), (13067, 29820), (14910, 26134), (15036, 25915), (15330, 25418), (15549, 25060), (18795, 20732)]