402194560

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:438

約数の個数: 128

約数和(自身を含む): 1017878400

約数和(自身を除く): 615683840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 230, 307, 320, 356, 368, 445, 460, 614, 640, 712, 736, 890, 920, 1228, 1424, 1472, 1535, 1780, 1840, 2047, 2456, 2848, 2944, 3070, 3560, 3680, 4094, 4912, 5696, 6140, 7061, 7120, 7360, 8188, 9824, 10235, 11392, 12280, 14122, 14240, 14720, 16376, 19648, 20470, 24560, 27323, 28244, 28480, 32752, 35305, 39296, 40940, 49120, 54646, 56488, 56960, 65504, 70610, 81880, 98240, 109292, 112976, 131008, 136615, 141220, 163760, 196480, 218584, 225952, 262016, 273230, 282440, 327520, 437168, 451904, 546460, 564880, 628429, 655040, 874336, 903808, 1092920, 1129760, 1256858, 1310080, 1748672, 2185840, 2259520, 2513716, 3142145, 3497344, 4371680, 4519040, 5027432, 6284290, 8743360, 10054864, 12568580, 17486720, 20109728, 25137160, 40219456, 50274320, 80438912, 100548640, 201097280, 402194560]

約数ペア:

[(1, 402194560), (2, 201097280), (4, 100548640), (5, 80438912), (8, 50274320), (10, 40219456), (16, 25137160), (20, 20109728), (23, 17486720), (32, 12568580), (40, 10054864), (46, 8743360), (64, 6284290), (80, 5027432), (89, 4519040), (92, 4371680), (115, 3497344), (128, 3142145), (160, 2513716), (178, 2259520), (184, 2185840), (230, 1748672), (307, 1310080), (320, 1256858), (356, 1129760), (368, 1092920), (445, 903808), (460, 874336), (614, 655040), (640, 628429), (712, 564880), (736, 546460), (890, 451904), (920, 437168), (1228, 327520), (1424, 282440), (1472, 273230), (1535, 262016), (1780, 225952), (1840, 218584), (2047, 196480), (2456, 163760), (2848, 141220), (2944, 136615), (3070, 131008), (3560, 112976), (3680, 109292), (4094, 98240), (4912, 81880), (5696, 70610), (6140, 65504), (7061, 56960), (7120, 56488), (7360, 54646), (8188, 49120), (9824, 40940), (10235, 39296), (11392, 35305), (12280, 32752), (14122, 28480), (14240, 28244), (14720, 27323), (16376, 24560), (19648, 20470)]