299071880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 729907200

約数和(自身を除く): 430835320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 71, 79, 86, 124, 142, 155, 158, 172, 215, 248, 284, 310, 316, 344, 355, 395, 430, 568, 620, 632, 710, 790, 860, 1240, 1333, 1420, 1580, 1720, 2201, 2449, 2666, 2840, 3053, 3160, 3397, 4402, 4898, 5332, 5609, 6106, 6665, 6794, 8804, 9796, 10664, 11005, 11218, 12212, 12245, 13330, 13588, 15265, 16985, 17608, 19592, 22010, 22436, 24424, 24490, 26660, 27176, 28045, 30530, 33970, 44020, 44872, 48980, 53320, 56090, 61060, 67940, 88040, 94643, 97960, 105307, 112180, 122120, 135880, 173879, 189286, 210614, 224360, 241187, 347758, 378572, 421228, 473215, 482374, 526535, 695516, 757144, 842456, 869395, 946430, 964748, 1053070, 1205935, 1391032, 1738790, 1892860, 1929496, 2106140, 2411870, 3477580, 3785720, 4212280, 4823740, 6955160, 7476797, 9647480, 14953594, 29907188, 37383985, 59814376, 74767970, 149535940, 299071880]

約数ペア:

[(1, 299071880), (2, 149535940), (4, 74767970), (5, 59814376), (8, 37383985), (10, 29907188), (20, 14953594), (31, 9647480), (40, 7476797), (43, 6955160), (62, 4823740), (71, 4212280), (79, 3785720), (86, 3477580), (124, 2411870), (142, 2106140), (155, 1929496), (158, 1892860), (172, 1738790), (215, 1391032), (248, 1205935), (284, 1053070), (310, 964748), (316, 946430), (344, 869395), (355, 842456), (395, 757144), (430, 695516), (568, 526535), (620, 482374), (632, 473215), (710, 421228), (790, 378572), (860, 347758), (1240, 241187), (1333, 224360), (1420, 210614), (1580, 189286), (1720, 173879), (2201, 135880), (2449, 122120), (2666, 112180), (2840, 105307), (3053, 97960), (3160, 94643), (3397, 88040), (4402, 67940), (4898, 61060), (5332, 56090), (5609, 53320), (6106, 48980), (6665, 44872), (6794, 44020), (8804, 33970), (9796, 30530), (10664, 28045), (11005, 27176), (11218, 26660), (12212, 24490), (12245, 24424), (13330, 22436), (13588, 22010), (15265, 19592), (16985, 17608)]