808806740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 2071480320

約数和(自身を除く): 1262673580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 79, 98, 124, 140, 155, 158, 196, 217, 245, 310, 316, 337, 395, 434, 490, 553, 620, 674, 790, 868, 980, 1085, 1106, 1348, 1519, 1580, 1685, 2170, 2212, 2359, 2449, 2765, 3038, 3370, 3871, 4340, 4718, 4898, 5530, 6076, 6740, 7595, 7742, 9436, 9796, 10447, 11060, 11795, 12245, 15190, 15484, 16513, 17143, 19355, 20894, 23590, 24490, 26623, 30380, 33026, 34286, 38710, 41788, 47180, 48980, 52235, 53246, 66052, 68572, 73129, 77420, 82565, 85715, 104470, 106492, 120001, 133115, 146258, 165130, 171430, 186361, 208940, 240002, 266230, 292516, 330260, 342860, 365645, 372722, 480004, 511903, 532460, 600005, 731290, 745444, 825313, 931805, 1023806, 1200010, 1304527, 1462580, 1650626, 1863610, 2047612, 2400020, 2559515, 2609054, 3301252, 3727220, 4126565, 5119030, 5218108, 5777191, 6522635, 8253130, 10238060, 11554382, 13045270, 16506260, 23108764, 26090540, 28885955, 40440337, 57771910, 80880674, 115543820, 161761348, 202201685, 404403370, 808806740]

約数ペア:

[(1, 808806740), (2, 404403370), (4, 202201685), (5, 161761348), (7, 115543820), (10, 80880674), (14, 57771910), (20, 40440337), (28, 28885955), (31, 26090540), (35, 23108764), (49, 16506260), (62, 13045270), (70, 11554382), (79, 10238060), (98, 8253130), (124, 6522635), (140, 5777191), (155, 5218108), (158, 5119030), (196, 4126565), (217, 3727220), (245, 3301252), (310, 2609054), (316, 2559515), (337, 2400020), (395, 2047612), (434, 1863610), (490, 1650626), (553, 1462580), (620, 1304527), (674, 1200010), (790, 1023806), (868, 931805), (980, 825313), (1085, 745444), (1106, 731290), (1348, 600005), (1519, 532460), (1580, 511903), (1685, 480004), (2170, 372722), (2212, 365645), (2359, 342860), (2449, 330260), (2765, 292516), (3038, 266230), (3370, 240002), (3871, 208940), (4340, 186361), (4718, 171430), (4898, 165130), (5530, 146258), (6076, 133115), (6740, 120001), (7595, 106492), (7742, 104470), (9436, 85715), (9796, 82565), (10447, 77420), (11060, 73129), (11795, 68572), (12245, 66052), (15190, 53246), (15484, 52235), (16513, 48980), (17143, 47180), (19355, 41788), (20894, 38710), (23590, 34286), (24490, 33026), (26623, 30380)]