248817825

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 504134400

約数和(自身を除く): 255316575

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 29, 45, 57, 75, 81, 87, 95, 135, 145, 171, 223, 225, 261, 285, 405, 435, 475, 513, 551, 669, 675, 725, 783, 855, 1115, 1305, 1425, 1539, 1653, 2007, 2025, 2175, 2349, 2565, 2755, 3345, 3915, 4237, 4275, 4959, 5575, 6021, 6467, 6525, 7695, 8265, 10035, 11745, 12711, 12825, 13775, 14877, 16725, 18063, 19401, 19575, 21185, 24795, 30105, 32335, 38133, 38475, 41325, 44631, 50175, 58203, 58725, 63555, 74385, 90315, 97005, 105925, 114399, 122873, 123975, 150525, 161675, 174609, 190665, 223155, 291015, 317775, 343197, 368619, 371925, 451575, 485025, 523827, 571995, 614365, 873045, 953325, 1105857, 1115775, 1455075, 1715985, 1843095, 2619135, 2859975, 3071825, 3317571, 4365225, 5529285, 8579925, 9215475, 9952713, 13095675, 16587855, 27646425, 49763565, 82939275, 248817825]

約数ペア:

[(1, 248817825), (3, 82939275), (5, 49763565), (9, 27646425), (15, 16587855), (19, 13095675), (25, 9952713), (27, 9215475), (29, 8579925), (45, 5529285), (57, 4365225), (75, 3317571), (81, 3071825), (87, 2859975), (95, 2619135), (135, 1843095), (145, 1715985), (171, 1455075), (223, 1115775), (225, 1105857), (261, 953325), (285, 873045), (405, 614365), (435, 571995), (475, 523827), (513, 485025), (551, 451575), (669, 371925), (675, 368619), (725, 343197), (783, 317775), (855, 291015), (1115, 223155), (1305, 190665), (1425, 174609), (1539, 161675), (1653, 150525), (2007, 123975), (2025, 122873), (2175, 114399), (2349, 105925), (2565, 97005), (2755, 90315), (3345, 74385), (3915, 63555), (4237, 58725), (4275, 58203), (4959, 50175), (5575, 44631), (6021, 41325), (6467, 38475), (6525, 38133), (7695, 32335), (8265, 30105), (10035, 24795), (11745, 21185), (12711, 19575), (12825, 19401), (13775, 18063), (14877, 16725)]