72623060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 156038400

約数和(自身を除く): 83415340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 199, 257, 284, 355, 398, 514, 710, 796, 995, 1028, 1285, 1420, 1990, 2570, 3980, 5140, 14129, 18247, 28258, 36494, 51143, 56516, 70645, 72988, 91235, 102286, 141290, 182470, 204572, 255715, 282580, 364940, 511430, 1022860, 3631153, 7262306, 14524612, 18155765, 36311530, 72623060]

約数ペア:

[(1, 72623060), (2, 36311530), (4, 18155765), (5, 14524612), (10, 7262306), (20, 3631153), (71, 1022860), (142, 511430), (199, 364940), (257, 282580), (284, 255715), (355, 204572), (398, 182470), (514, 141290), (710, 102286), (796, 91235), (995, 72988), (1028, 70645), (1285, 56516), (1420, 51143), (1990, 36494), (2570, 28258), (3980, 18247), (5140, 14129)]