897889720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:438

約数の個数: 192

約数和(自身を含む): 2559664800

約数和(自身を除く): 1661775080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 131, 140, 182, 196, 245, 260, 262, 269, 280, 364, 392, 455, 490, 520, 524, 538, 637, 655, 728, 910, 917, 980, 1048, 1076, 1274, 1310, 1345, 1703, 1820, 1834, 1883, 1960, 2152, 2548, 2620, 2690, 3185, 3406, 3497, 3640, 3668, 3766, 4585, 5096, 5240, 5380, 6370, 6419, 6812, 6994, 7336, 7532, 8515, 9170, 9415, 10760, 11921, 12740, 12838, 13181, 13624, 13988, 15064, 17030, 17485, 18340, 18830, 23842, 24479, 25480, 25676, 26362, 27976, 32095, 34060, 34970, 35239, 36680, 37660, 47684, 48958, 51352, 52724, 59605, 64190, 65905, 68120, 69940, 70478, 75320, 83447, 95368, 97916, 105448, 119210, 122395, 128380, 131810, 139880, 140956, 166894, 171353, 176195, 195832, 238420, 244790, 246673, 256760, 263620, 281912, 333788, 342706, 352390, 417235, 458107, 476840, 489580, 493346, 527240, 667576, 685412, 704780, 834470, 856765, 916214, 979160, 986692, 1233365, 1370824, 1409560, 1668940, 1713530, 1726711, 1832428, 1973384, 2290535, 2466730, 3206749, 3337880, 3427060, 3453422, 3664856, 4581070, 4933460, 6413498, 6854120, 6906844, 8633555, 9162140, 9866920, 12826996, 13813688, 16033745, 17267110, 18324280, 22447243, 25653992, 32067490, 34534220, 44894486, 64134980, 69068440, 89788972, 112236215, 128269960, 179577944, 224472430, 448944860, 897889720]

約数ペア:

[(1, 897889720), (2, 448944860), (4, 224472430), (5, 179577944), (7, 128269960), (8, 112236215), (10, 89788972), (13, 69068440), (14, 64134980), (20, 44894486), (26, 34534220), (28, 32067490), (35, 25653992), (40, 22447243), (49, 18324280), (52, 17267110), (56, 16033745), (65, 13813688), (70, 12826996), (91, 9866920), (98, 9162140), (104, 8633555), (130, 6906844), (131, 6854120), (140, 6413498), (182, 4933460), (196, 4581070), (245, 3664856), (260, 3453422), (262, 3427060), (269, 3337880), (280, 3206749), (364, 2466730), (392, 2290535), (455, 1973384), (490, 1832428), (520, 1726711), (524, 1713530), (538, 1668940), (637, 1409560), (655, 1370824), (728, 1233365), (910, 986692), (917, 979160), (980, 916214), (1048, 856765), (1076, 834470), (1274, 704780), (1310, 685412), (1345, 667576), (1703, 527240), (1820, 493346), (1834, 489580), (1883, 476840), (1960, 458107), (2152, 417235), (2548, 352390), (2620, 342706), (2690, 333788), (3185, 281912), (3406, 263620), (3497, 256760), (3640, 246673), (3668, 244790), (3766, 238420), (4585, 195832), (5096, 176195), (5240, 171353), (5380, 166894), (6370, 140956), (6419, 139880), (6812, 131810), (6994, 128380), (7336, 122395), (7532, 119210), (8515, 105448), (9170, 97916), (9415, 95368), (10760, 83447), (11921, 75320), (12740, 70478), (12838, 69940), (13181, 68120), (13624, 65905), (13988, 64190), (15064, 59605), (17030, 52724), (17485, 51352), (18340, 48958), (18830, 47684), (23842, 37660), (24479, 36680), (25480, 35239), (25676, 34970), (26362, 34060), (27976, 32095)]