201171620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 483665280

約数和(自身を除く): 282493660

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 193, 211, 247, 260, 380, 386, 422, 494, 772, 844, 965, 988, 1055, 1235, 1930, 2110, 2470, 2509, 2743, 3667, 3860, 4009, 4220, 4940, 5018, 5486, 7334, 8018, 10036, 10972, 12545, 13715, 14668, 16036, 18335, 20045, 25090, 27430, 36670, 40090, 40723, 47671, 50180, 52117, 54860, 73340, 80180, 81446, 95342, 104234, 162892, 190684, 203615, 208468, 238355, 260585, 407230, 476710, 521170, 529399, 773737, 814460, 953420, 1042340, 1058798, 1547474, 2117596, 2646995, 3094948, 3868685, 5293990, 7737370, 10058581, 10587980, 15474740, 20117162, 40234324, 50292905, 100585810, 201171620]

約数ペア:

[(1, 201171620), (2, 100585810), (4, 50292905), (5, 40234324), (10, 20117162), (13, 15474740), (19, 10587980), (20, 10058581), (26, 7737370), (38, 5293990), (52, 3868685), (65, 3094948), (76, 2646995), (95, 2117596), (130, 1547474), (190, 1058798), (193, 1042340), (211, 953420), (247, 814460), (260, 773737), (380, 529399), (386, 521170), (422, 476710), (494, 407230), (772, 260585), (844, 238355), (965, 208468), (988, 203615), (1055, 190684), (1235, 162892), (1930, 104234), (2110, 95342), (2470, 81446), (2509, 80180), (2743, 73340), (3667, 54860), (3860, 52117), (4009, 50180), (4220, 47671), (4940, 40723), (5018, 40090), (5486, 36670), (7334, 27430), (8018, 25090), (10036, 20045), (10972, 18335), (12545, 16036), (13715, 14668)]