74782820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 184347576

約数和(自身を除く): 109564756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 245, 274, 490, 548, 557, 685, 959, 980, 1114, 1370, 1918, 2228, 2740, 2785, 3836, 3899, 4795, 5570, 6713, 7798, 9590, 11140, 13426, 15596, 19180, 19495, 26852, 27293, 33565, 38990, 54586, 67130, 76309, 77980, 109172, 134260, 136465, 152618, 272930, 305236, 381545, 534163, 545860, 763090, 1068326, 1526180, 2136652, 2670815, 3739141, 5341630, 7478282, 10683260, 14956564, 18695705, 37391410, 74782820]

約数ペア:

[(1, 74782820), (2, 37391410), (4, 18695705), (5, 14956564), (7, 10683260), (10, 7478282), (14, 5341630), (20, 3739141), (28, 2670815), (35, 2136652), (49, 1526180), (70, 1068326), (98, 763090), (137, 545860), (140, 534163), (196, 381545), (245, 305236), (274, 272930), (490, 152618), (548, 136465), (557, 134260), (685, 109172), (959, 77980), (980, 76309), (1114, 67130), (1370, 54586), (1918, 38990), (2228, 33565), (2740, 27293), (2785, 26852), (3836, 19495), (3899, 19180), (4795, 15596), (5570, 13426), (6713, 11140), (7798, 9590)]