248923520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 638487360

約数和(自身を除く): 389563840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 137, 160, 167, 170, 272, 274, 320, 334, 340, 544, 548, 640, 668, 680, 685, 835, 1088, 1096, 1336, 1360, 1370, 1670, 2176, 2192, 2329, 2672, 2720, 2740, 2839, 3340, 4384, 4658, 5344, 5440, 5480, 5678, 6680, 8768, 9316, 10688, 10880, 10960, 11356, 11645, 13360, 14195, 17536, 18632, 21376, 21920, 22712, 22879, 23290, 26720, 28390, 37264, 43840, 45424, 45758, 46580, 53440, 56780, 74528, 87680, 90848, 91516, 93160, 106880, 113560, 114395, 149056, 181696, 183032, 186320, 227120, 228790, 298112, 363392, 366064, 372640, 388943, 454240, 457580, 732128, 745280, 777886, 908480, 915160, 1464256, 1490560, 1555772, 1816960, 1830320, 1944715, 2928512, 3111544, 3660640, 3889430, 6223088, 7321280, 7778860, 12446176, 14642560, 15557720, 24892352, 31115440, 49784704, 62230880, 124461760, 248923520]

約数ペア:

[(1, 248923520), (2, 124461760), (4, 62230880), (5, 49784704), (8, 31115440), (10, 24892352), (16, 15557720), (17, 14642560), (20, 12446176), (32, 7778860), (34, 7321280), (40, 6223088), (64, 3889430), (68, 3660640), (80, 3111544), (85, 2928512), (128, 1944715), (136, 1830320), (137, 1816960), (160, 1555772), (167, 1490560), (170, 1464256), (272, 915160), (274, 908480), (320, 777886), (334, 745280), (340, 732128), (544, 457580), (548, 454240), (640, 388943), (668, 372640), (680, 366064), (685, 363392), (835, 298112), (1088, 228790), (1096, 227120), (1336, 186320), (1360, 183032), (1370, 181696), (1670, 149056), (2176, 114395), (2192, 113560), (2329, 106880), (2672, 93160), (2720, 91516), (2740, 90848), (2839, 87680), (3340, 74528), (4384, 56780), (4658, 53440), (5344, 46580), (5440, 45758), (5480, 45424), (5678, 43840), (6680, 37264), (8768, 28390), (9316, 26720), (10688, 23290), (10880, 22879), (10960, 22712), (11356, 21920), (11645, 21376), (13360, 18632), (14195, 17536)]