2783303480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{3307}}^1$

素因数の和:3768

約数の個数: 64

約数和(自身を含む): 6398598240

約数和(自身を除く): 3615294760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 397, 424, 530, 794, 1060, 1588, 1985, 2120, 3176, 3307, 3970, 6614, 7940, 13228, 15880, 16535, 21041, 26456, 33070, 42082, 66140, 84164, 105205, 132280, 168328, 175271, 210410, 350542, 420820, 701084, 841640, 876355, 1312879, 1402168, 1752710, 2625758, 3505420, 5251516, 6564395, 7010840, 10503032, 13128790, 26257580, 52515160, 69582587, 139165174, 278330348, 347912935, 556660696, 695825870, 1391651740, 2783303480]

約数ペア:

[(1, 2783303480), (2, 1391651740), (4, 695825870), (5, 556660696), (8, 347912935), (10, 278330348), (20, 139165174), (40, 69582587), (53, 52515160), (106, 26257580), (212, 13128790), (265, 10503032), (397, 7010840), (424, 6564395), (530, 5251516), (794, 3505420), (1060, 2625758), (1588, 1752710), (1985, 1402168), (2120, 1312879), (3176, 876355), (3307, 841640), (3970, 701084), (6614, 420820), (7940, 350542), (13228, 210410), (15880, 175271), (16535, 168328), (21041, 132280), (26456, 105205), (33070, 84164), (42082, 66140)]