201179680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^2$

素因数の和:650

約数の個数: 72

約数和(自身を含む): 513498636

約数和(自身を除く): 312318956

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 311, 416, 520, 622, 1040, 1244, 1555, 2080, 2488, 3110, 4043, 4976, 6220, 8086, 9952, 12440, 16172, 20215, 24880, 32344, 40430, 49760, 64688, 80860, 96721, 129376, 161720, 193442, 323440, 386884, 483605, 646880, 773768, 967210, 1257373, 1547536, 1934420, 2514746, 3095072, 3868840, 5029492, 6286865, 7737680, 10058984, 12573730, 15475360, 20117968, 25147460, 40235936, 50294920, 100589840, 201179680]

約数ペア:

[(1, 201179680), (2, 100589840), (4, 50294920), (5, 40235936), (8, 25147460), (10, 20117968), (13, 15475360), (16, 12573730), (20, 10058984), (26, 7737680), (32, 6286865), (40, 5029492), (52, 3868840), (65, 3095072), (80, 2514746), (104, 1934420), (130, 1547536), (160, 1257373), (208, 967210), (260, 773768), (311, 646880), (416, 483605), (520, 386884), (622, 323440), (1040, 193442), (1244, 161720), (1555, 129376), (2080, 96721), (2488, 80860), (3110, 64688), (4043, 49760), (4976, 40430), (6220, 32344), (8086, 24880), (9952, 20215), (12440, 16172)]