398439472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 839678400

約数和(自身を除く): 441238928

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 89, 109, 136, 151, 178, 218, 272, 302, 356, 436, 604, 712, 872, 1208, 1424, 1513, 1744, 1853, 2416, 2567, 3026, 3706, 5134, 6052, 7412, 9701, 10268, 12104, 13439, 14824, 16459, 19402, 20536, 24208, 26878, 29648, 32918, 38804, 41072, 53756, 65836, 77608, 107512, 131672, 155216, 164917, 215024, 228463, 263344, 279803, 329834, 456926, 559606, 659668, 913852, 1119212, 1319336, 1464851, 1827704, 2238424, 2638672, 2929702, 3655408, 4476848, 5859404, 11718808, 23437616, 24902467, 49804934, 99609868, 199219736, 398439472]

約数ペア:

[(1, 398439472), (2, 199219736), (4, 99609868), (8, 49804934), (16, 24902467), (17, 23437616), (34, 11718808), (68, 5859404), (89, 4476848), (109, 3655408), (136, 2929702), (151, 2638672), (178, 2238424), (218, 1827704), (272, 1464851), (302, 1319336), (356, 1119212), (436, 913852), (604, 659668), (712, 559606), (872, 456926), (1208, 329834), (1424, 279803), (1513, 263344), (1744, 228463), (1853, 215024), (2416, 164917), (2567, 155216), (3026, 131672), (3706, 107512), (5134, 77608), (6052, 65836), (7412, 53756), (9701, 41072), (10268, 38804), (12104, 32918), (13439, 29648), (14824, 26878), (16459, 24208), (19402, 20536)]