247017860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{34213}}^1$

素因数の和:34260

約数の個数: 36

約数和(自身を含む): 547492428

約数和(自身を除く): 300474568

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 34213, 68426, 136852, 171065, 342130, 650047, 684260, 1300094, 2600188, 3250235, 6500470, 12350893, 13000940, 24701786, 49403572, 61754465, 123508930, 247017860]

約数ペア:

[(1, 247017860), (2, 123508930), (4, 61754465), (5, 49403572), (10, 24701786), (19, 13000940), (20, 12350893), (38, 6500470), (76, 3250235), (95, 2600188), (190, 1300094), (361, 684260), (380, 650047), (722, 342130), (1444, 171065), (1805, 136852), (3610, 68426), (7220, 34213)]