6940420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 15649200

約数和(自身を除く): 8708780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 149, 170, 274, 298, 340, 548, 596, 685, 745, 1370, 1490, 2329, 2533, 2740, 2980, 4658, 5066, 9316, 10132, 11645, 12665, 20413, 23290, 25330, 40826, 46580, 50660, 81652, 102065, 204130, 347021, 408260, 694042, 1388084, 1735105, 3470210, 6940420]

約数ペア:

[(1, 6940420), (2, 3470210), (4, 1735105), (5, 1388084), (10, 694042), (17, 408260), (20, 347021), (34, 204130), (68, 102065), (85, 81652), (137, 50660), (149, 46580), (170, 40826), (274, 25330), (298, 23290), (340, 20413), (548, 12665), (596, 11645), (685, 10132), (745, 9316), (1370, 5066), (1490, 4658), (2329, 2980), (2533, 2740)]