30419950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 37075730

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 41, 50, 55, 71, 82, 95, 110, 142, 190, 205, 209, 275, 355, 410, 418, 451, 475, 550, 710, 779, 781, 902, 950, 1025, 1045, 1349, 1558, 1562, 1775, 2050, 2090, 2255, 2698, 2911, 3550, 3895, 3905, 4510, 5225, 5822, 6745, 7790, 7810, 8569, 10450, 11275, 13490, 14555, 14839, 17138, 19475, 19525, 22550, 29110, 29678, 32021, 33725, 38950, 39050, 42845, 55309, 64042, 67450, 72775, 74195, 85690, 110618, 145550, 148390, 160105, 214225, 276545, 320210, 370975, 428450, 553090, 608399, 741950, 800525, 1216798, 1382725, 1601050, 2765450, 3041995, 6083990, 15209975, 30419950]

約数ペア:

[(1, 30419950), (2, 15209975), (5, 6083990), (10, 3041995), (11, 2765450), (19, 1601050), (22, 1382725), (25, 1216798), (38, 800525), (41, 741950), (50, 608399), (55, 553090), (71, 428450), (82, 370975), (95, 320210), (110, 276545), (142, 214225), (190, 160105), (205, 148390), (209, 145550), (275, 110618), (355, 85690), (410, 74195), (418, 72775), (451, 67450), (475, 64042), (550, 55309), (710, 42845), (779, 39050), (781, 38950), (902, 33725), (950, 32021), (1025, 29678), (1045, 29110), (1349, 22550), (1558, 19525), (1562, 19475), (1775, 17138), (2050, 14839), (2090, 14555), (2255, 13490), (2698, 11275), (2911, 10450), (3550, 8569), (3895, 7810), (3905, 7790), (4510, 6745), (5225, 5822)]