28915530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7247}}^1$

素因数の和:7283

約数の個数: 64

約数和(自身を含む): 83496960

約数和(自身を除く): 54581430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 7247, 14494, 21741, 36235, 43482, 50729, 72470, 101458, 108705, 137693, 152187, 217410, 253645, 275386, 304374, 413079, 507290, 688465, 760935, 826158, 963851, 1376930, 1521870, 1927702, 2065395, 2891553, 4130790, 4819255, 5783106, 9638510, 14457765, 28915530]

約数ペア:

[(1, 28915530), (2, 14457765), (3, 9638510), (5, 5783106), (6, 4819255), (7, 4130790), (10, 2891553), (14, 2065395), (15, 1927702), (19, 1521870), (21, 1376930), (30, 963851), (35, 826158), (38, 760935), (42, 688465), (57, 507290), (70, 413079), (95, 304374), (105, 275386), (114, 253645), (133, 217410), (190, 152187), (210, 137693), (266, 108705), (285, 101458), (399, 72470), (570, 50729), (665, 43482), (798, 36235), (1330, 21741), (1995, 14494), (3990, 7247)]