388244220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:580

約数の個数: 192

約数和(自身を含む): 1348279296

約数和(自身を除く): 960035076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 211, 260, 273, 337, 364, 390, 420, 422, 455, 546, 633, 674, 780, 844, 910, 1011, 1055, 1092, 1266, 1348, 1365, 1477, 1685, 1820, 2022, 2110, 2359, 2532, 2730, 2743, 2954, 3165, 3370, 4044, 4220, 4381, 4431, 4718, 5055, 5460, 5486, 5908, 6330, 6740, 7077, 7385, 8229, 8762, 8862, 9436, 10110, 10972, 11795, 12660, 13143, 13715, 14154, 14770, 16458, 17524, 17724, 19201, 20220, 21905, 22155, 23590, 26286, 27430, 28308, 29540, 30667, 32916, 35385, 38402, 41145, 43810, 44310, 47180, 52572, 54860, 57603, 61334, 65715, 70770, 71107, 76804, 82290, 87620, 88620, 92001, 96005, 115206, 122668, 131430, 141540, 142214, 153335, 164580, 184002, 192010, 213321, 230412, 262860, 284428, 288015, 306670, 355535, 368004, 384020, 426642, 460005, 497749, 576030, 613340, 711070, 853284, 920010, 924391, 995498, 1066605, 1152060, 1422140, 1493247, 1840020, 1848782, 1990996, 2133210, 2488745, 2773173, 2986494, 3697564, 4266420, 4621955, 4977490, 5546346, 5972988, 6470737, 7466235, 9243910, 9954980, 11092692, 12941474, 13865865, 14932470, 18487820, 19412211, 25882948, 27731730, 29864940, 32353685, 38824422, 55463460, 64707370, 77648844, 97061055, 129414740, 194122110, 388244220]

約数ペア:

[(1, 388244220), (2, 194122110), (3, 129414740), (4, 97061055), (5, 77648844), (6, 64707370), (7, 55463460), (10, 38824422), (12, 32353685), (13, 29864940), (14, 27731730), (15, 25882948), (20, 19412211), (21, 18487820), (26, 14932470), (28, 13865865), (30, 12941474), (35, 11092692), (39, 9954980), (42, 9243910), (52, 7466235), (60, 6470737), (65, 5972988), (70, 5546346), (78, 4977490), (84, 4621955), (91, 4266420), (105, 3697564), (130, 2986494), (140, 2773173), (156, 2488745), (182, 2133210), (195, 1990996), (210, 1848782), (211, 1840020), (260, 1493247), (273, 1422140), (337, 1152060), (364, 1066605), (390, 995498), (420, 924391), (422, 920010), (455, 853284), (546, 711070), (633, 613340), (674, 576030), (780, 497749), (844, 460005), (910, 426642), (1011, 384020), (1055, 368004), (1092, 355535), (1266, 306670), (1348, 288015), (1365, 284428), (1477, 262860), (1685, 230412), (1820, 213321), (2022, 192010), (2110, 184002), (2359, 164580), (2532, 153335), (2730, 142214), (2743, 141540), (2954, 131430), (3165, 122668), (3370, 115206), (4044, 96005), (4220, 92001), (4381, 88620), (4431, 87620), (4718, 82290), (5055, 76804), (5460, 71107), (5486, 70770), (5908, 65715), (6330, 61334), (6740, 57603), (7077, 54860), (7385, 52572), (8229, 47180), (8762, 44310), (8862, 43810), (9436, 41145), (10110, 38402), (10972, 35385), (11795, 32916), (12660, 30667), (13143, 29540), (13715, 28308), (14154, 27430), (14770, 26286), (16458, 23590), (17524, 22155), (17724, 21905), (19201, 20220)]