8290220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 18960480

約数和(自身を除く): 10670260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 659, 740, 1258, 1318, 2516, 2636, 3145, 3295, 6290, 6590, 11203, 12580, 13180, 22406, 24383, 44812, 48766, 56015, 97532, 112030, 121915, 224060, 243830, 414511, 487660, 829022, 1658044, 2072555, 4145110, 8290220]

約数ペア:

[(1, 8290220), (2, 4145110), (4, 2072555), (5, 1658044), (10, 829022), (17, 487660), (20, 414511), (34, 243830), (37, 224060), (68, 121915), (74, 112030), (85, 97532), (148, 56015), (170, 48766), (185, 44812), (340, 24383), (370, 22406), (629, 13180), (659, 12580), (740, 11203), (1258, 6590), (1318, 6290), (2516, 3295), (2636, 3145)]