409991680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:334

約数の個数: 160

約数和(自身を含む): 1138427136

約数和(自身を除く): 728435456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 137, 140, 160, 167, 224, 256, 274, 280, 320, 334, 448, 512, 548, 560, 640, 668, 685, 835, 896, 959, 1096, 1120, 1169, 1280, 1336, 1370, 1670, 1792, 1918, 2192, 2240, 2338, 2560, 2672, 2740, 3340, 3584, 3836, 4384, 4480, 4676, 4795, 5344, 5480, 5845, 6680, 7672, 8768, 8960, 9352, 9590, 10688, 10960, 11690, 13360, 15344, 17536, 17920, 18704, 19180, 21376, 21920, 22879, 23380, 26720, 30688, 35072, 37408, 38360, 42752, 43840, 45758, 46760, 53440, 61376, 70144, 74816, 76720, 85504, 87680, 91516, 93520, 106880, 114395, 122752, 149632, 153440, 160153, 175360, 183032, 187040, 213760, 228790, 245504, 299264, 306880, 320306, 350720, 366064, 374080, 427520, 457580, 491008, 598528, 613760, 640612, 732128, 748160, 800765, 915160, 1227520, 1281224, 1464256, 1496320, 1601530, 1830320, 2455040, 2562448, 2928512, 2992640, 3203060, 3660640, 5124896, 5857024, 6406120, 7321280, 10249792, 11714048, 12812240, 14642560, 20499584, 25624480, 29285120, 40999168, 51248960, 58570240, 81998336, 102497920, 204995840, 409991680]

約数ペア:

[(1, 409991680), (2, 204995840), (4, 102497920), (5, 81998336), (7, 58570240), (8, 51248960), (10, 40999168), (14, 29285120), (16, 25624480), (20, 20499584), (28, 14642560), (32, 12812240), (35, 11714048), (40, 10249792), (56, 7321280), (64, 6406120), (70, 5857024), (80, 5124896), (112, 3660640), (128, 3203060), (137, 2992640), (140, 2928512), (160, 2562448), (167, 2455040), (224, 1830320), (256, 1601530), (274, 1496320), (280, 1464256), (320, 1281224), (334, 1227520), (448, 915160), (512, 800765), (548, 748160), (560, 732128), (640, 640612), (668, 613760), (685, 598528), (835, 491008), (896, 457580), (959, 427520), (1096, 374080), (1120, 366064), (1169, 350720), (1280, 320306), (1336, 306880), (1370, 299264), (1670, 245504), (1792, 228790), (1918, 213760), (2192, 187040), (2240, 183032), (2338, 175360), (2560, 160153), (2672, 153440), (2740, 149632), (3340, 122752), (3584, 114395), (3836, 106880), (4384, 93520), (4480, 91516), (4676, 87680), (4795, 85504), (5344, 76720), (5480, 74816), (5845, 70144), (6680, 61376), (7672, 53440), (8768, 46760), (8960, 45758), (9352, 43840), (9590, 42752), (10688, 38360), (10960, 37408), (11690, 35072), (13360, 30688), (15344, 26720), (17536, 23380), (17920, 22879), (18704, 21920), (19180, 21376)]