72503240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5021}}^1$

素因数の和:5070

約数の個数: 48

約数和(自身を含む): 172204380

約数和(自身を除く): 99701140

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 5021, 7220, 10042, 14440, 20084, 25105, 40168, 50210, 95399, 100420, 190798, 200840, 381596, 476995, 763192, 953990, 1812581, 1907980, 3625162, 3815960, 7250324, 9062905, 14500648, 18125810, 36251620, 72503240]

約数ペア:

[(1, 72503240), (2, 36251620), (4, 18125810), (5, 14500648), (8, 9062905), (10, 7250324), (19, 3815960), (20, 3625162), (38, 1907980), (40, 1812581), (76, 953990), (95, 763192), (152, 476995), (190, 381596), (361, 200840), (380, 190798), (722, 100420), (760, 95399), (1444, 50210), (1805, 40168), (2888, 25105), (3610, 20084), (5021, 14440), (7220, 10042)]