28211960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5303}}^1$

素因数の和:5340

約数の個数: 64

約数和(自身を含む): 76377600

約数和(自身を除く): 48165640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5303, 5320, 10606, 21212, 26515, 37121, 42424, 53030, 74242, 100757, 106060, 148484, 185605, 201514, 212120, 296968, 371210, 403028, 503785, 705299, 742420, 806056, 1007570, 1410598, 1484840, 2015140, 2821196, 3526495, 4030280, 5642392, 7052990, 14105980, 28211960]

約数ペア:

[(1, 28211960), (2, 14105980), (4, 7052990), (5, 5642392), (7, 4030280), (8, 3526495), (10, 2821196), (14, 2015140), (19, 1484840), (20, 1410598), (28, 1007570), (35, 806056), (38, 742420), (40, 705299), (56, 503785), (70, 403028), (76, 371210), (95, 296968), (133, 212120), (140, 201514), (152, 185605), (190, 148484), (266, 106060), (280, 100757), (380, 74242), (532, 53030), (665, 42424), (760, 37121), (1064, 26515), (1330, 21212), (2660, 10606), (5303, 5320)]