8161450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 72

約数和(自身を含む): 17811360

約数和(自身を除く): 9649910

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 71, 95, 110, 121, 142, 190, 209, 242, 275, 355, 418, 475, 550, 605, 710, 781, 950, 1045, 1210, 1349, 1562, 1775, 2090, 2299, 2698, 3025, 3550, 3905, 4598, 5225, 6050, 6745, 7810, 8591, 10450, 11495, 13490, 14839, 17182, 19525, 22990, 29678, 33725, 39050, 42955, 57475, 67450, 74195, 85910, 114950, 148390, 163229, 214775, 326458, 370975, 429550, 741950, 816145, 1632290, 4080725, 8161450]

約数ペア:

[(1, 8161450), (2, 4080725), (5, 1632290), (10, 816145), (11, 741950), (19, 429550), (22, 370975), (25, 326458), (38, 214775), (50, 163229), (55, 148390), (71, 114950), (95, 85910), (110, 74195), (121, 67450), (142, 57475), (190, 42955), (209, 39050), (242, 33725), (275, 29678), (355, 22990), (418, 19525), (475, 17182), (550, 14839), (605, 13490), (710, 11495), (781, 10450), (950, 8591), (1045, 7810), (1210, 6745), (1349, 6050), (1562, 5225), (1775, 4598), (2090, 3905), (2299, 3550), (2698, 3025)]