980905780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{479}}^1$

素因数の和:841

約数の個数: 96

約数和(自身を含む): 2307916800

約数和(自身を除く): 1327011020

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 317, 323, 340, 380, 479, 634, 646, 958, 1268, 1292, 1585, 1615, 1916, 2395, 3170, 3230, 4790, 5389, 6023, 6340, 6460, 8143, 9101, 9580, 10778, 12046, 16286, 18202, 21556, 24092, 26945, 30115, 32572, 36404, 40715, 45505, 53890, 60230, 81430, 91010, 102391, 107780, 120460, 151843, 154717, 162860, 182020, 204782, 303686, 309434, 409564, 511955, 607372, 618868, 759215, 773585, 1023910, 1518430, 1547170, 2047820, 2581331, 2885017, 3036860, 3094340, 5162662, 5770034, 10325324, 11540068, 12906655, 14425085, 25813310, 28850170, 49045289, 51626620, 57700340, 98090578, 196181156, 245226445, 490452890, 980905780]

約数ペア:

[(1, 980905780), (2, 490452890), (4, 245226445), (5, 196181156), (10, 98090578), (17, 57700340), (19, 51626620), (20, 49045289), (34, 28850170), (38, 25813310), (68, 14425085), (76, 12906655), (85, 11540068), (95, 10325324), (170, 5770034), (190, 5162662), (317, 3094340), (323, 3036860), (340, 2885017), (380, 2581331), (479, 2047820), (634, 1547170), (646, 1518430), (958, 1023910), (1268, 773585), (1292, 759215), (1585, 618868), (1615, 607372), (1916, 511955), (2395, 409564), (3170, 309434), (3230, 303686), (4790, 204782), (5389, 182020), (6023, 162860), (6340, 154717), (6460, 151843), (8143, 120460), (9101, 107780), (9580, 102391), (10778, 91010), (12046, 81430), (16286, 60230), (18202, 53890), (21556, 45505), (24092, 40715), (26945, 36404), (30115, 32572)]