828888900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:643

約数の個数: 216

約数和(自身を含む): 2820132000

約数和(自身を除く): 1991243100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 113, 140, 147, 150, 175, 196, 210, 226, 245, 294, 300, 339, 350, 420, 452, 490, 499, 525, 565, 588, 678, 700, 735, 791, 980, 998, 1050, 1130, 1225, 1356, 1470, 1497, 1582, 1695, 1996, 2100, 2260, 2373, 2450, 2495, 2825, 2940, 2994, 3164, 3390, 3493, 3675, 3955, 4746, 4900, 4990, 5537, 5650, 5988, 6780, 6986, 7350, 7485, 7910, 8475, 9492, 9980, 10479, 11074, 11300, 11865, 12475, 13972, 14700, 14970, 15820, 16611, 16950, 17465, 19775, 20958, 22148, 23730, 24451, 24950, 27685, 29940, 33222, 33900, 34930, 37425, 39550, 41916, 47460, 48902, 49900, 52395, 55370, 56387, 59325, 66444, 69860, 73353, 74850, 79100, 83055, 87325, 97804, 104790, 110740, 112774, 118650, 122255, 138425, 146706, 149700, 166110, 169161, 174650, 209580, 225548, 237300, 244510, 261975, 276850, 281935, 293412, 332220, 338322, 349300, 366765, 394709, 415275, 489020, 523950, 553700, 563870, 611275, 676644, 733530, 789418, 830550, 845805, 1047900, 1127740, 1184127, 1222550, 1409675, 1467060, 1578836, 1661100, 1691610, 1833825, 1973545, 2368254, 2445100, 2762963, 2819350, 3383220, 3667650, 3947090, 4229025, 4736508, 5525926, 5638700, 5920635, 7335300, 7894180, 8288889, 8458050, 9867725, 11051852, 11841270, 13814815, 16577778, 16916100, 19735450, 23682540, 27629630, 29603175, 33155556, 39470900, 41444445, 55259260, 59206350, 69074075, 82888890, 118412700, 138148150, 165777780, 207222225, 276296300, 414444450, 828888900]

約数ペア:

[(1, 828888900), (2, 414444450), (3, 276296300), (4, 207222225), (5, 165777780), (6, 138148150), (7, 118412700), (10, 82888890), (12, 69074075), (14, 59206350), (15, 55259260), (20, 41444445), (21, 39470900), (25, 33155556), (28, 29603175), (30, 27629630), (35, 23682540), (42, 19735450), (49, 16916100), (50, 16577778), (60, 13814815), (70, 11841270), (75, 11051852), (84, 9867725), (98, 8458050), (100, 8288889), (105, 7894180), (113, 7335300), (140, 5920635), (147, 5638700), (150, 5525926), (175, 4736508), (196, 4229025), (210, 3947090), (226, 3667650), (245, 3383220), (294, 2819350), (300, 2762963), (339, 2445100), (350, 2368254), (420, 1973545), (452, 1833825), (490, 1691610), (499, 1661100), (525, 1578836), (565, 1467060), (588, 1409675), (678, 1222550), (700, 1184127), (735, 1127740), (791, 1047900), (980, 845805), (998, 830550), (1050, 789418), (1130, 733530), (1225, 676644), (1356, 611275), (1470, 563870), (1497, 553700), (1582, 523950), (1695, 489020), (1996, 415275), (2100, 394709), (2260, 366765), (2373, 349300), (2450, 338322), (2495, 332220), (2825, 293412), (2940, 281935), (2994, 276850), (3164, 261975), (3390, 244510), (3493, 237300), (3675, 225548), (3955, 209580), (4746, 174650), (4900, 169161), (4990, 166110), (5537, 149700), (5650, 146706), (5988, 138425), (6780, 122255), (6986, 118650), (7350, 112774), (7485, 110740), (7910, 104790), (8475, 97804), (9492, 87325), (9980, 83055), (10479, 79100), (11074, 74850), (11300, 73353), (11865, 69860), (12475, 66444), (13972, 59325), (14700, 56387), (14970, 55370), (15820, 52395), (16611, 49900), (16950, 48902), (17465, 47460), (19775, 41916), (20958, 39550), (22148, 37425), (23730, 34930), (24451, 33900), (24950, 33222), (27685, 29940)]