870918400

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 216

約数和(自身を含む): 2395159200

約数和(自身を除く): 1524240800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 89, 100, 110, 128, 139, 160, 176, 178, 200, 220, 256, 275, 278, 320, 352, 356, 400, 440, 445, 550, 556, 640, 695, 704, 712, 800, 880, 890, 979, 1100, 1112, 1280, 1390, 1408, 1424, 1529, 1600, 1760, 1780, 1958, 2200, 2224, 2225, 2780, 2816, 2848, 3058, 3200, 3475, 3520, 3560, 3916, 4400, 4448, 4450, 4895, 5560, 5696, 6116, 6400, 6950, 7040, 7120, 7645, 7832, 8800, 8896, 8900, 9790, 11120, 11392, 12232, 12371, 13900, 14080, 14240, 15290, 15664, 17600, 17792, 17800, 19580, 22240, 22784, 24464, 24475, 24742, 27800, 28480, 30580, 31328, 35200, 35584, 35600, 38225, 39160, 44480, 48928, 48950, 49484, 55600, 56960, 61160, 61855, 62656, 70400, 71200, 76450, 78320, 88960, 97856, 97900, 98968, 111200, 113920, 122320, 123710, 125312, 136081, 142400, 152900, 156640, 177920, 195712, 195800, 197936, 222400, 244640, 247420, 250624, 272162, 284800, 305800, 309275, 313280, 391424, 391600, 395872, 444800, 489280, 494840, 544324, 569600, 611600, 618550, 626560, 680405, 783200, 791744, 889600, 978560, 989680, 1088648, 1223200, 1237100, 1253120, 1360810, 1566400, 1583488, 1957120, 1979360, 2177296, 2446400, 2474200, 2721620, 3132800, 3166976, 3402025, 3958720, 4354592, 4892800, 4948400, 5443240, 6265600, 6804050, 7917440, 8709184, 9785600, 9896800, 10886480, 13608100, 15834880, 17418368, 19793600, 21772960, 27216200, 34836736, 39587200, 43545920, 54432400, 79174400, 87091840, 108864800, 174183680, 217729600, 435459200, 870918400]

約数ペア:

[(1, 870918400), (2, 435459200), (4, 217729600), (5, 174183680), (8, 108864800), (10, 87091840), (11, 79174400), (16, 54432400), (20, 43545920), (22, 39587200), (25, 34836736), (32, 27216200), (40, 21772960), (44, 19793600), (50, 17418368), (55, 15834880), (64, 13608100), (80, 10886480), (88, 9896800), (89, 9785600), (100, 8709184), (110, 7917440), (128, 6804050), (139, 6265600), (160, 5443240), (176, 4948400), (178, 4892800), (200, 4354592), (220, 3958720), (256, 3402025), (275, 3166976), (278, 3132800), (320, 2721620), (352, 2474200), (356, 2446400), (400, 2177296), (440, 1979360), (445, 1957120), (550, 1583488), (556, 1566400), (640, 1360810), (695, 1253120), (704, 1237100), (712, 1223200), (800, 1088648), (880, 989680), (890, 978560), (979, 889600), (1100, 791744), (1112, 783200), (1280, 680405), (1390, 626560), (1408, 618550), (1424, 611600), (1529, 569600), (1600, 544324), (1760, 494840), (1780, 489280), (1958, 444800), (2200, 395872), (2224, 391600), (2225, 391424), (2780, 313280), (2816, 309275), (2848, 305800), (3058, 284800), (3200, 272162), (3475, 250624), (3520, 247420), (3560, 244640), (3916, 222400), (4400, 197936), (4448, 195800), (4450, 195712), (4895, 177920), (5560, 156640), (5696, 152900), (6116, 142400), (6400, 136081), (6950, 125312), (7040, 123710), (7120, 122320), (7645, 113920), (7832, 111200), (8800, 98968), (8896, 97900), (8900, 97856), (9790, 88960), (11120, 78320), (11392, 76450), (12232, 71200), (12371, 70400), (13900, 62656), (14080, 61855), (14240, 61160), (15290, 56960), (15664, 55600), (17600, 49484), (17792, 48950), (17800, 48928), (19580, 44480), (22240, 39160), (22784, 38225), (24464, 35600), (24475, 35584), (24742, 35200), (27800, 31328), (28480, 30580)]