18201050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 144

約数和(自身を含む): 45800640

約数和(自身を除く): 27599590

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 23, 25, 34, 35, 38, 46, 49, 50, 70, 85, 95, 98, 115, 119, 133, 161, 170, 175, 190, 230, 238, 245, 266, 322, 323, 350, 391, 425, 437, 475, 490, 575, 595, 646, 665, 782, 805, 833, 850, 874, 931, 950, 1127, 1150, 1190, 1225, 1330, 1610, 1615, 1666, 1862, 1955, 2185, 2254, 2261, 2450, 2737, 2975, 3059, 3230, 3325, 3910, 4025, 4165, 4370, 4522, 4655, 5474, 5635, 5950, 6118, 6650, 7429, 8050, 8075, 8330, 9310, 9775, 10925, 11270, 11305, 13685, 14858, 15295, 15827, 16150, 19159, 19550, 20825, 21413, 21850, 22610, 23275, 27370, 28175, 30590, 31654, 37145, 38318, 41650, 42826, 46550, 52003, 56350, 56525, 68425, 74290, 76475, 79135, 95795, 104006, 107065, 113050, 136850, 152950, 158270, 185725, 191590, 214130, 260015, 364021, 371450, 395675, 478975, 520030, 535325, 728042, 791350, 957950, 1070650, 1300075, 1820105, 2600150, 3640210, 9100525, 18201050]

約数ペア:

[(1, 18201050), (2, 9100525), (5, 3640210), (7, 2600150), (10, 1820105), (14, 1300075), (17, 1070650), (19, 957950), (23, 791350), (25, 728042), (34, 535325), (35, 520030), (38, 478975), (46, 395675), (49, 371450), (50, 364021), (70, 260015), (85, 214130), (95, 191590), (98, 185725), (115, 158270), (119, 152950), (133, 136850), (161, 113050), (170, 107065), (175, 104006), (190, 95795), (230, 79135), (238, 76475), (245, 74290), (266, 68425), (322, 56525), (323, 56350), (350, 52003), (391, 46550), (425, 42826), (437, 41650), (475, 38318), (490, 37145), (575, 31654), (595, 30590), (646, 28175), (665, 27370), (782, 23275), (805, 22610), (833, 21850), (850, 21413), (874, 20825), (931, 19550), (950, 19159), (1127, 16150), (1150, 15827), (1190, 15295), (1225, 14858), (1330, 13685), (1610, 11305), (1615, 11270), (1666, 10925), (1862, 9775), (1955, 9310), (2185, 8330), (2254, 8075), (2261, 8050), (2450, 7429), (2737, 6650), (2975, 6118), (3059, 5950), (3230, 5635), (3325, 5474), (3910, 4655), (4025, 4522), (4165, 4370)]