51342940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 126282240

約数和(自身を除く): 74939300

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 71, 76, 95, 110, 142, 173, 190, 209, 220, 284, 346, 355, 380, 418, 692, 710, 781, 836, 865, 1045, 1349, 1420, 1562, 1730, 1903, 2090, 2698, 3124, 3287, 3460, 3806, 3905, 4180, 5396, 6574, 6745, 7612, 7810, 9515, 12283, 13148, 13490, 14839, 15620, 16435, 19030, 24566, 26980, 29678, 32870, 36157, 38060, 49132, 59356, 61415, 65740, 72314, 74195, 122830, 135113, 144628, 148390, 180785, 233377, 245660, 270226, 296780, 361570, 466754, 540452, 675565, 723140, 933508, 1166885, 1351130, 2333770, 2567147, 2702260, 4667540, 5134294, 10268588, 12835735, 25671470, 51342940]

約数ペア:

[(1, 51342940), (2, 25671470), (4, 12835735), (5, 10268588), (10, 5134294), (11, 4667540), (19, 2702260), (20, 2567147), (22, 2333770), (38, 1351130), (44, 1166885), (55, 933508), (71, 723140), (76, 675565), (95, 540452), (110, 466754), (142, 361570), (173, 296780), (190, 270226), (209, 245660), (220, 233377), (284, 180785), (346, 148390), (355, 144628), (380, 135113), (418, 122830), (692, 74195), (710, 72314), (781, 65740), (836, 61415), (865, 59356), (1045, 49132), (1349, 38060), (1420, 36157), (1562, 32870), (1730, 29678), (1903, 26980), (2090, 24566), (2698, 19030), (3124, 16435), (3287, 15620), (3460, 14839), (3806, 13490), (3905, 13148), (4180, 12283), (5396, 9515), (6574, 7810), (6745, 7612)]