471380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 1273608

約数和(自身を除く): 802228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 49, 52, 65, 70, 74, 91, 98, 130, 140, 148, 182, 185, 196, 245, 259, 260, 364, 370, 455, 481, 490, 518, 637, 740, 910, 962, 980, 1036, 1274, 1295, 1813, 1820, 1924, 2405, 2548, 2590, 3185, 3367, 3626, 4810, 5180, 6370, 6734, 7252, 9065, 9620, 12740, 13468, 16835, 18130, 23569, 33670, 36260, 47138, 67340, 94276, 117845, 235690, 471380]

約数ペア:

[(1, 471380), (2, 235690), (4, 117845), (5, 94276), (7, 67340), (10, 47138), (13, 36260), (14, 33670), (20, 23569), (26, 18130), (28, 16835), (35, 13468), (37, 12740), (49, 9620), (52, 9065), (65, 7252), (70, 6734), (74, 6370), (91, 5180), (98, 4810), (130, 3626), (140, 3367), (148, 3185), (182, 2590), (185, 2548), (196, 2405), (245, 1924), (259, 1820), (260, 1813), (364, 1295), (370, 1274), (455, 1036), (481, 980), (490, 962), (518, 910), (637, 740)]