402037760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 176

約数和(自身を含む): 1061164800

約数和(自身を除く): 659127040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 149, 155, 160, 170, 248, 256, 272, 298, 310, 320, 340, 496, 512, 527, 544, 596, 620, 640, 680, 745, 992, 1024, 1054, 1088, 1192, 1240, 1280, 1360, 1490, 1984, 2108, 2176, 2384, 2480, 2533, 2560, 2635, 2720, 2980, 3968, 4216, 4352, 4619, 4768, 4960, 5066, 5120, 5270, 5440, 5960, 7936, 8432, 8704, 9238, 9536, 9920, 10132, 10540, 10880, 11920, 12665, 15872, 16864, 17408, 18476, 19072, 19840, 20264, 21080, 21760, 23095, 23840, 25330, 31744, 33728, 36952, 38144, 39680, 40528, 42160, 43520, 46190, 47680, 50660, 67456, 73904, 76288, 78523, 79360, 81056, 84320, 87040, 92380, 95360, 101320, 134912, 147808, 152576, 157046, 158720, 162112, 168640, 184760, 190720, 202640, 269824, 295616, 314092, 324224, 337280, 369520, 381440, 392615, 405280, 539648, 591232, 628184, 648448, 674560, 739040, 762880, 785230, 810560, 1182464, 1256368, 1296896, 1349120, 1478080, 1570460, 1621120, 2364928, 2512736, 2593792, 2698240, 2956160, 3140920, 3242240, 4729856, 5025472, 5912320, 6281840, 6484480, 10050944, 11824640, 12563680, 12968960, 20101888, 23649280, 25127360, 40203776, 50254720, 80407552, 100509440, 201018880, 402037760]

約数ペア:

[(1, 402037760), (2, 201018880), (4, 100509440), (5, 80407552), (8, 50254720), (10, 40203776), (16, 25127360), (17, 23649280), (20, 20101888), (31, 12968960), (32, 12563680), (34, 11824640), (40, 10050944), (62, 6484480), (64, 6281840), (68, 5912320), (80, 5025472), (85, 4729856), (124, 3242240), (128, 3140920), (136, 2956160), (149, 2698240), (155, 2593792), (160, 2512736), (170, 2364928), (248, 1621120), (256, 1570460), (272, 1478080), (298, 1349120), (310, 1296896), (320, 1256368), (340, 1182464), (496, 810560), (512, 785230), (527, 762880), (544, 739040), (596, 674560), (620, 648448), (640, 628184), (680, 591232), (745, 539648), (992, 405280), (1024, 392615), (1054, 381440), (1088, 369520), (1192, 337280), (1240, 324224), (1280, 314092), (1360, 295616), (1490, 269824), (1984, 202640), (2108, 190720), (2176, 184760), (2384, 168640), (2480, 162112), (2533, 158720), (2560, 157046), (2635, 152576), (2720, 147808), (2980, 134912), (3968, 101320), (4216, 95360), (4352, 92380), (4619, 87040), (4768, 84320), (4960, 81056), (5066, 79360), (5120, 78523), (5270, 76288), (5440, 73904), (5960, 67456), (7936, 50660), (8432, 47680), (8704, 46190), (9238, 43520), (9536, 42160), (9920, 40528), (10132, 39680), (10540, 38144), (10880, 36952), (11920, 33728), (12665, 31744), (15872, 25330), (16864, 23840), (17408, 23095), (18476, 21760), (19072, 21080), (19840, 20264)]