390681760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 1136540160

約数和(自身を除く): 745858400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 71, 80, 85, 112, 119, 136, 140, 142, 160, 170, 224, 238, 272, 280, 284, 289, 340, 355, 476, 497, 544, 560, 568, 578, 595, 680, 710, 952, 994, 1120, 1136, 1156, 1190, 1207, 1360, 1420, 1445, 1904, 1988, 2023, 2272, 2312, 2380, 2414, 2485, 2720, 2840, 2890, 3808, 3976, 4046, 4624, 4760, 4828, 4913, 4970, 5680, 5780, 6035, 7952, 8092, 8449, 9248, 9520, 9656, 9826, 9940, 10115, 11360, 11560, 12070, 15904, 16184, 16898, 19040, 19312, 19652, 19880, 20230, 20519, 23120, 24140, 24565, 32368, 33796, 34391, 38624, 39304, 39760, 40460, 41038, 42245, 46240, 48280, 49130, 64736, 67592, 68782, 78608, 79520, 80920, 82076, 84490, 96560, 98260, 102595, 135184, 137564, 143633, 157216, 161840, 164152, 168980, 171955, 193120, 196520, 205190, 270368, 275128, 287266, 323680, 328304, 337960, 343910, 348823, 393040, 410380, 550256, 574532, 656608, 675920, 687820, 697646, 718165, 786080, 820760, 1100512, 1149064, 1351840, 1375640, 1395292, 1436330, 1641520, 1744115, 2298128, 2441761, 2751280, 2790584, 2872660, 3283040, 3488230, 4596256, 4883522, 5502560, 5581168, 5745320, 6976460, 9767044, 11162336, 11490640, 12208805, 13952920, 19534088, 22981280, 24417610, 27905840, 39068176, 48835220, 55811680, 78136352, 97670440, 195340880, 390681760]

約数ペア:

[(1, 390681760), (2, 195340880), (4, 97670440), (5, 78136352), (7, 55811680), (8, 48835220), (10, 39068176), (14, 27905840), (16, 24417610), (17, 22981280), (20, 19534088), (28, 13952920), (32, 12208805), (34, 11490640), (35, 11162336), (40, 9767044), (56, 6976460), (68, 5745320), (70, 5581168), (71, 5502560), (80, 4883522), (85, 4596256), (112, 3488230), (119, 3283040), (136, 2872660), (140, 2790584), (142, 2751280), (160, 2441761), (170, 2298128), (224, 1744115), (238, 1641520), (272, 1436330), (280, 1395292), (284, 1375640), (289, 1351840), (340, 1149064), (355, 1100512), (476, 820760), (497, 786080), (544, 718165), (560, 697646), (568, 687820), (578, 675920), (595, 656608), (680, 574532), (710, 550256), (952, 410380), (994, 393040), (1120, 348823), (1136, 343910), (1156, 337960), (1190, 328304), (1207, 323680), (1360, 287266), (1420, 275128), (1445, 270368), (1904, 205190), (1988, 196520), (2023, 193120), (2272, 171955), (2312, 168980), (2380, 164152), (2414, 161840), (2485, 157216), (2720, 143633), (2840, 137564), (2890, 135184), (3808, 102595), (3976, 98260), (4046, 96560), (4624, 84490), (4760, 82076), (4828, 80920), (4913, 79520), (4970, 78608), (5680, 68782), (5780, 67592), (6035, 64736), (7952, 49130), (8092, 48280), (8449, 46240), (9248, 42245), (9520, 41038), (9656, 40460), (9826, 39760), (9940, 39304), (10115, 38624), (11360, 34391), (11560, 33796), (12070, 32368), (15904, 24565), (16184, 24140), (16898, 23120), (19040, 20519), (19312, 20230), (19652, 19880)]