1900484300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{383}}^1$

素因数の和:768

約数の個数: 144

約数和(自身を含む): 4871688192

約数和(自身を除く): 2971203892

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 347, 383, 550, 572, 650, 694, 715, 766, 1100, 1300, 1388, 1430, 1532, 1735, 1915, 2860, 3470, 3575, 3817, 3830, 4213, 4511, 4979, 6940, 7150, 7634, 7660, 8426, 8675, 9022, 9575, 9958, 14300, 15268, 16852, 17350, 18044, 19085, 19150, 19916, 21065, 22555, 24895, 34700, 38170, 38300, 42130, 45110, 49621, 49790, 54769, 76340, 84260, 90220, 95425, 99242, 99580, 105325, 109538, 112775, 124475, 132901, 190850, 198484, 210650, 219076, 225550, 248105, 248950, 265802, 273845, 381700, 421300, 451100, 496210, 497900, 531604, 547690, 664505, 992420, 1095380, 1240525, 1329010, 1369225, 1461911, 1727713, 2481050, 2658020, 2738450, 2923822, 3322525, 3455426, 4962100, 5476900, 5847644, 6645050, 6910852, 7309555, 8638565, 13290100, 14619110, 17277130, 19004843, 29238220, 34554260, 36547775, 38009686, 43192825, 73095550, 76019372, 86385650, 95024215, 146191100, 172771300, 190048430, 380096860, 475121075, 950242150, 1900484300]

約数ペア:

[(1, 1900484300), (2, 950242150), (4, 475121075), (5, 380096860), (10, 190048430), (11, 172771300), (13, 146191100), (20, 95024215), (22, 86385650), (25, 76019372), (26, 73095550), (44, 43192825), (50, 38009686), (52, 36547775), (55, 34554260), (65, 29238220), (100, 19004843), (110, 17277130), (130, 14619110), (143, 13290100), (220, 8638565), (260, 7309555), (275, 6910852), (286, 6645050), (325, 5847644), (347, 5476900), (383, 4962100), (550, 3455426), (572, 3322525), (650, 2923822), (694, 2738450), (715, 2658020), (766, 2481050), (1100, 1727713), (1300, 1461911), (1388, 1369225), (1430, 1329010), (1532, 1240525), (1735, 1095380), (1915, 992420), (2860, 664505), (3470, 547690), (3575, 531604), (3817, 497900), (3830, 496210), (4213, 451100), (4511, 421300), (4979, 381700), (6940, 273845), (7150, 265802), (7634, 248950), (7660, 248105), (8426, 225550), (8675, 219076), (9022, 210650), (9575, 198484), (9958, 190850), (14300, 132901), (15268, 124475), (16852, 112775), (17350, 109538), (18044, 105325), (19085, 99580), (19150, 99242), (19916, 95425), (21065, 90220), (22555, 84260), (24895, 76340), (34700, 54769), (38170, 49790), (38300, 49621), (42130, 45110)]