196172800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 132

約数和(自身を含む): 497502880

約数和(自身を除く): 301330080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 97, 100, 128, 158, 160, 194, 200, 256, 316, 320, 388, 395, 400, 485, 512, 632, 640, 776, 790, 800, 970, 1024, 1264, 1280, 1552, 1580, 1600, 1940, 1975, 2425, 2528, 2560, 3104, 3160, 3200, 3880, 3950, 4850, 5056, 5120, 6208, 6320, 6400, 7663, 7760, 7900, 9700, 10112, 12416, 12640, 12800, 15326, 15520, 15800, 19400, 20224, 24832, 25280, 25600, 30652, 31040, 31600, 38315, 38800, 40448, 49664, 50560, 61304, 62080, 63200, 76630, 77600, 80896, 99328, 101120, 122608, 124160, 126400, 153260, 155200, 191575, 202240, 245216, 248320, 252800, 306520, 310400, 383150, 404480, 490432, 496640, 505600, 613040, 620800, 766300, 980864, 1011200, 1226080, 1241600, 1532600, 1961728, 2022400, 2452160, 2483200, 3065200, 3923456, 4904320, 6130400, 7846912, 9808640, 12260800, 19617280, 24521600, 39234560, 49043200, 98086400, 196172800]

約数ペア:

[(1, 196172800), (2, 98086400), (4, 49043200), (5, 39234560), (8, 24521600), (10, 19617280), (16, 12260800), (20, 9808640), (25, 7846912), (32, 6130400), (40, 4904320), (50, 3923456), (64, 3065200), (79, 2483200), (80, 2452160), (97, 2022400), (100, 1961728), (128, 1532600), (158, 1241600), (160, 1226080), (194, 1011200), (200, 980864), (256, 766300), (316, 620800), (320, 613040), (388, 505600), (395, 496640), (400, 490432), (485, 404480), (512, 383150), (632, 310400), (640, 306520), (776, 252800), (790, 248320), (800, 245216), (970, 202240), (1024, 191575), (1264, 155200), (1280, 153260), (1552, 126400), (1580, 124160), (1600, 122608), (1940, 101120), (1975, 99328), (2425, 80896), (2528, 77600), (2560, 76630), (3104, 63200), (3160, 62080), (3200, 61304), (3880, 50560), (3950, 49664), (4850, 40448), (5056, 38800), (5120, 38315), (6208, 31600), (6320, 31040), (6400, 30652), (7663, 25600), (7760, 25280), (7900, 24832), (9700, 20224), (10112, 19400), (12416, 15800), (12640, 15520), (12800, 15326)]