29691290

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 54905040

約数和(自身を除く): 25213750

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 445, 457, 730, 890, 914, 2285, 4570, 6497, 12994, 32485, 33361, 40673, 64970, 66722, 81346, 166805, 203365, 333610, 406730, 2969129, 5938258, 14845645, 29691290]

約数ペア:

[(1, 29691290), (2, 14845645), (5, 5938258), (10, 2969129), (73, 406730), (89, 333610), (146, 203365), (178, 166805), (365, 81346), (445, 66722), (457, 64970), (730, 40673), (890, 33361), (914, 32485), (2285, 12994), (4570, 6497)]