71368780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 175410144

約数和(自身を除く): 104041364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 137, 140, 244, 274, 305, 427, 548, 610, 685, 854, 959, 1220, 1370, 1708, 1918, 2135, 2740, 3721, 3836, 4270, 4795, 7442, 8357, 8540, 9590, 14884, 16714, 18605, 19180, 26047, 33428, 37210, 41785, 52094, 58499, 74420, 83570, 104188, 116998, 130235, 167140, 233996, 260470, 292495, 509777, 520940, 584990, 1019554, 1169980, 2039108, 2548885, 3568439, 5097770, 7136878, 10195540, 14273756, 17842195, 35684390, 71368780]

約数ペア:

[(1, 71368780), (2, 35684390), (4, 17842195), (5, 14273756), (7, 10195540), (10, 7136878), (14, 5097770), (20, 3568439), (28, 2548885), (35, 2039108), (61, 1169980), (70, 1019554), (122, 584990), (137, 520940), (140, 509777), (244, 292495), (274, 260470), (305, 233996), (427, 167140), (548, 130235), (610, 116998), (685, 104188), (854, 83570), (959, 74420), (1220, 58499), (1370, 52094), (1708, 41785), (1918, 37210), (2135, 33428), (2740, 26047), (3721, 19180), (3836, 18605), (4270, 16714), (4795, 14884), (7442, 9590), (8357, 8540)]