22278340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 55157760

約数和(自身を除く): 32879420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 179, 196, 245, 254, 358, 490, 508, 635, 716, 889, 895, 980, 1253, 1270, 1778, 1790, 2506, 2540, 3556, 3580, 4445, 5012, 6223, 6265, 8771, 8890, 12446, 12530, 17542, 17780, 22733, 24892, 25060, 31115, 35084, 43855, 45466, 62230, 87710, 90932, 113665, 124460, 159131, 175420, 227330, 318262, 454660, 636524, 795655, 1113917, 1591310, 2227834, 3182620, 4455668, 5569585, 11139170, 22278340]

約数ペア:

[(1, 22278340), (2, 11139170), (4, 5569585), (5, 4455668), (7, 3182620), (10, 2227834), (14, 1591310), (20, 1113917), (28, 795655), (35, 636524), (49, 454660), (70, 318262), (98, 227330), (127, 175420), (140, 159131), (179, 124460), (196, 113665), (245, 90932), (254, 87710), (358, 62230), (490, 45466), (508, 43855), (635, 35084), (716, 31115), (889, 25060), (895, 24892), (980, 22733), (1253, 17780), (1270, 17542), (1778, 12530), (1790, 12446), (2506, 8890), (2540, 8771), (3556, 6265), (3580, 6223), (4445, 5012)]