431356240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:681

約数の個数: 160

約数和(自身を含む): 1225635840

約数和(自身を除く): 794279600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 80, 95, 112, 133, 140, 142, 152, 190, 266, 280, 284, 304, 355, 380, 497, 532, 560, 568, 571, 665, 710, 760, 994, 1064, 1136, 1142, 1330, 1349, 1420, 1520, 1988, 2128, 2284, 2485, 2660, 2698, 2840, 2855, 3976, 3997, 4568, 4970, 5320, 5396, 5680, 5710, 6745, 7952, 7994, 9136, 9443, 9940, 10640, 10792, 10849, 11420, 13490, 15988, 18886, 19880, 19985, 21584, 21698, 22840, 26980, 31976, 37772, 39760, 39970, 40541, 43396, 45680, 47215, 53960, 54245, 63952, 75544, 75943, 79940, 81082, 86792, 94430, 107920, 108490, 151088, 151886, 159880, 162164, 173584, 188860, 202705, 216980, 283787, 303772, 319760, 324328, 377720, 379715, 405410, 433960, 567574, 607544, 648656, 755440, 759430, 770279, 810820, 867920, 1135148, 1215088, 1418935, 1518860, 1540558, 1621640, 2270296, 2837870, 3037720, 3081116, 3243280, 3851395, 4540592, 5391953, 5675740, 6075440, 6162232, 7702790, 10783906, 11351480, 12324464, 15405580, 21567812, 22702960, 26959765, 30811160, 43135624, 53919530, 61622320, 86271248, 107839060, 215678120, 431356240]

約数ペア:

[(1, 431356240), (2, 215678120), (4, 107839060), (5, 86271248), (7, 61622320), (8, 53919530), (10, 43135624), (14, 30811160), (16, 26959765), (19, 22702960), (20, 21567812), (28, 15405580), (35, 12324464), (38, 11351480), (40, 10783906), (56, 7702790), (70, 6162232), (71, 6075440), (76, 5675740), (80, 5391953), (95, 4540592), (112, 3851395), (133, 3243280), (140, 3081116), (142, 3037720), (152, 2837870), (190, 2270296), (266, 1621640), (280, 1540558), (284, 1518860), (304, 1418935), (355, 1215088), (380, 1135148), (497, 867920), (532, 810820), (560, 770279), (568, 759430), (571, 755440), (665, 648656), (710, 607544), (760, 567574), (994, 433960), (1064, 405410), (1136, 379715), (1142, 377720), (1330, 324328), (1349, 319760), (1420, 303772), (1520, 283787), (1988, 216980), (2128, 202705), (2284, 188860), (2485, 173584), (2660, 162164), (2698, 159880), (2840, 151886), (2855, 151088), (3976, 108490), (3997, 107920), (4568, 94430), (4970, 86792), (5320, 81082), (5396, 79940), (5680, 75943), (5710, 75544), (6745, 63952), (7952, 54245), (7994, 53960), (9136, 47215), (9443, 45680), (9940, 43396), (10640, 40541), (10792, 39970), (10849, 39760), (11420, 37772), (13490, 31976), (15988, 26980), (18886, 22840), (19880, 21698), (19985, 21584)]