86979900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 216

約数和(自身を含む): 300616176

約数和(自身を除く): 213636276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 61, 70, 75, 84, 97, 98, 100, 105, 122, 140, 147, 150, 175, 183, 194, 196, 210, 244, 245, 291, 294, 300, 305, 350, 366, 388, 420, 427, 485, 490, 525, 582, 588, 610, 679, 700, 732, 735, 854, 915, 970, 980, 1050, 1164, 1220, 1225, 1281, 1358, 1455, 1470, 1525, 1708, 1830, 1940, 2037, 2100, 2135, 2425, 2450, 2562, 2716, 2910, 2940, 2989, 3050, 3395, 3660, 3675, 4074, 4270, 4575, 4753, 4850, 4900, 5124, 5820, 5917, 5978, 6100, 6405, 6790, 7275, 7350, 8148, 8540, 8967, 9150, 9506, 9700, 10185, 10675, 11834, 11956, 12810, 13580, 14259, 14550, 14700, 14945, 16975, 17751, 17934, 18300, 19012, 20370, 21350, 23668, 23765, 25620, 28518, 29100, 29585, 29890, 32025, 33950, 35502, 35868, 40740, 41419, 42700, 44835, 47530, 50925, 57036, 59170, 59780, 64050, 67900, 71004, 71295, 74725, 82838, 88755, 89670, 95060, 101850, 118340, 118825, 124257, 128100, 142590, 147925, 149450, 165676, 177510, 179340, 203700, 207095, 224175, 237650, 248514, 285180, 289933, 295850, 298900, 355020, 356475, 414190, 443775, 448350, 475300, 497028, 579866, 591700, 621285, 712950, 828380, 869799, 887550, 896700, 1035475, 1159732, 1242570, 1425900, 1449665, 1739598, 1775100, 2070950, 2485140, 2899330, 3106425, 3479196, 4141900, 4348995, 5798660, 6212850, 7248325, 8697990, 12425700, 14496650, 17395980, 21744975, 28993300, 43489950, 86979900]

約数ペア:

[(1, 86979900), (2, 43489950), (3, 28993300), (4, 21744975), (5, 17395980), (6, 14496650), (7, 12425700), (10, 8697990), (12, 7248325), (14, 6212850), (15, 5798660), (20, 4348995), (21, 4141900), (25, 3479196), (28, 3106425), (30, 2899330), (35, 2485140), (42, 2070950), (49, 1775100), (50, 1739598), (60, 1449665), (61, 1425900), (70, 1242570), (75, 1159732), (84, 1035475), (97, 896700), (98, 887550), (100, 869799), (105, 828380), (122, 712950), (140, 621285), (147, 591700), (150, 579866), (175, 497028), (183, 475300), (194, 448350), (196, 443775), (210, 414190), (244, 356475), (245, 355020), (291, 298900), (294, 295850), (300, 289933), (305, 285180), (350, 248514), (366, 237650), (388, 224175), (420, 207095), (427, 203700), (485, 179340), (490, 177510), (525, 165676), (582, 149450), (588, 147925), (610, 142590), (679, 128100), (700, 124257), (732, 118825), (735, 118340), (854, 101850), (915, 95060), (970, 89670), (980, 88755), (1050, 82838), (1164, 74725), (1220, 71295), (1225, 71004), (1281, 67900), (1358, 64050), (1455, 59780), (1470, 59170), (1525, 57036), (1708, 50925), (1830, 47530), (1940, 44835), (2037, 42700), (2100, 41419), (2135, 40740), (2425, 35868), (2450, 35502), (2562, 33950), (2716, 32025), (2910, 29890), (2940, 29585), (2989, 29100), (3050, 28518), (3395, 25620), (3660, 23765), (3675, 23668), (4074, 21350), (4270, 20370), (4575, 19012), (4753, 18300), (4850, 17934), (4900, 17751), (5124, 16975), (5820, 14945), (5917, 14700), (5978, 14550), (6100, 14259), (6405, 13580), (6790, 12810), (7275, 11956), (7350, 11834), (8148, 10675), (8540, 10185), (8967, 9700), (9150, 9506)]