349450660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 839946240

約数和(自身を除く): 490495580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 127, 130, 190, 247, 254, 260, 380, 494, 508, 557, 635, 988, 1114, 1235, 1270, 1651, 2228, 2413, 2470, 2540, 2785, 3302, 4826, 4940, 5570, 6604, 7241, 8255, 9652, 10583, 11140, 12065, 14482, 16510, 21166, 24130, 28964, 31369, 33020, 36205, 42332, 48260, 52915, 62738, 70739, 72410, 105830, 125476, 137579, 141478, 144820, 156845, 211660, 275158, 282956, 313690, 353695, 550316, 627380, 687895, 707390, 919607, 1344041, 1375790, 1414780, 1839214, 2688082, 2751580, 3678428, 4598035, 5376164, 6720205, 9196070, 13440410, 17472533, 18392140, 26880820, 34945066, 69890132, 87362665, 174725330, 349450660]

約数ペア:

[(1, 349450660), (2, 174725330), (4, 87362665), (5, 69890132), (10, 34945066), (13, 26880820), (19, 18392140), (20, 17472533), (26, 13440410), (38, 9196070), (52, 6720205), (65, 5376164), (76, 4598035), (95, 3678428), (127, 2751580), (130, 2688082), (190, 1839214), (247, 1414780), (254, 1375790), (260, 1344041), (380, 919607), (494, 707390), (508, 687895), (557, 627380), (635, 550316), (988, 353695), (1114, 313690), (1235, 282956), (1270, 275158), (1651, 211660), (2228, 156845), (2413, 144820), (2470, 141478), (2540, 137579), (2785, 125476), (3302, 105830), (4826, 72410), (4940, 70739), (5570, 62738), (6604, 52915), (7241, 48260), (8255, 42332), (9652, 36205), (10583, 33020), (11140, 31369), (12065, 28964), (14482, 24130), (16510, 21166)]