28242620

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 72576000

約数和(自身を除く): 44333380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 179, 196, 230, 245, 322, 343, 358, 460, 490, 644, 686, 716, 805, 895, 980, 1127, 1253, 1372, 1610, 1715, 1790, 2254, 2506, 3220, 3430, 3580, 4117, 4508, 5012, 5635, 6265, 6860, 7889, 8234, 8771, 11270, 12530, 15778, 16468, 17542, 20585, 22540, 25060, 28819, 31556, 35084, 39445, 41170, 43855, 57638, 61397, 78890, 82340, 87710, 115276, 122794, 144095, 157780, 175420, 201733, 245588, 288190, 306985, 403466, 576380, 613970, 806932, 1008665, 1227940, 1412131, 2017330, 2824262, 4034660, 5648524, 7060655, 14121310, 28242620]

約数ペア:

[(1, 28242620), (2, 14121310), (4, 7060655), (5, 5648524), (7, 4034660), (10, 2824262), (14, 2017330), (20, 1412131), (23, 1227940), (28, 1008665), (35, 806932), (46, 613970), (49, 576380), (70, 403466), (92, 306985), (98, 288190), (115, 245588), (140, 201733), (161, 175420), (179, 157780), (196, 144095), (230, 122794), (245, 115276), (322, 87710), (343, 82340), (358, 78890), (460, 61397), (490, 57638), (644, 43855), (686, 41170), (716, 39445), (805, 35084), (895, 31556), (980, 28819), (1127, 25060), (1253, 22540), (1372, 20585), (1610, 17542), (1715, 16468), (1790, 15778), (2254, 12530), (2506, 11270), (3220, 8771), (3430, 8234), (3580, 7889), (4117, 6860), (4508, 6265), (5012, 5635)]