196891380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:838

約数の個数: 144

約数和(自身を含む): 686125440

約数和(自身を除く): 489234060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 307, 315, 420, 509, 614, 630, 921, 1018, 1228, 1260, 1527, 1535, 1842, 2036, 2149, 2545, 2763, 3054, 3070, 3563, 3684, 4298, 4581, 4605, 5090, 5526, 6108, 6140, 6447, 7126, 7635, 8596, 9162, 9210, 10180, 10689, 10745, 11052, 12894, 13815, 14252, 15270, 17815, 18324, 18420, 19341, 21378, 21490, 22905, 25788, 27630, 30540, 32067, 32235, 35630, 38682, 42756, 42980, 45810, 53445, 55260, 64134, 64470, 71260, 77364, 91620, 96705, 106890, 128268, 128940, 156263, 160335, 193410, 213780, 312526, 320670, 386820, 468789, 625052, 641340, 781315, 937578, 1093841, 1406367, 1562630, 1875156, 2187682, 2343945, 2812734, 3125260, 3281523, 4375364, 4687890, 5469205, 5625468, 6563046, 7031835, 9375780, 9844569, 10938410, 13126092, 14063670, 16407615, 19689138, 21876820, 28127340, 32815230, 39378276, 49222845, 65630460, 98445690, 196891380]

約数ペア:

[(1, 196891380), (2, 98445690), (3, 65630460), (4, 49222845), (5, 39378276), (6, 32815230), (7, 28127340), (9, 21876820), (10, 19689138), (12, 16407615), (14, 14063670), (15, 13126092), (18, 10938410), (20, 9844569), (21, 9375780), (28, 7031835), (30, 6563046), (35, 5625468), (36, 5469205), (42, 4687890), (45, 4375364), (60, 3281523), (63, 3125260), (70, 2812734), (84, 2343945), (90, 2187682), (105, 1875156), (126, 1562630), (140, 1406367), (180, 1093841), (210, 937578), (252, 781315), (307, 641340), (315, 625052), (420, 468789), (509, 386820), (614, 320670), (630, 312526), (921, 213780), (1018, 193410), (1228, 160335), (1260, 156263), (1527, 128940), (1535, 128268), (1842, 106890), (2036, 96705), (2149, 91620), (2545, 77364), (2763, 71260), (3054, 64470), (3070, 64134), (3563, 55260), (3684, 53445), (4298, 45810), (4581, 42980), (4605, 42756), (5090, 38682), (5526, 35630), (6108, 32235), (6140, 32067), (6447, 30540), (7126, 27630), (7635, 25788), (8596, 22905), (9162, 21490), (9210, 21378), (10180, 19341), (10689, 18420), (10745, 18324), (11052, 17815), (12894, 15270), (13815, 14252)]