30393860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3559}}^1$

素因数の和:3636

約数の個数: 48

約数和(自身を含む): 74161920

約数和(自身を除く): 43768060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3559, 4270, 7118, 8540, 14236, 17795, 24913, 35590, 49826, 71180, 99652, 124565, 217099, 249130, 434198, 498260, 868396, 1085495, 1519693, 2170990, 3039386, 4341980, 6078772, 7598465, 15196930, 30393860]

約数ペア:

[(1, 30393860), (2, 15196930), (4, 7598465), (5, 6078772), (7, 4341980), (10, 3039386), (14, 2170990), (20, 1519693), (28, 1085495), (35, 868396), (61, 498260), (70, 434198), (122, 249130), (140, 217099), (244, 124565), (305, 99652), (427, 71180), (610, 49826), (854, 35590), (1220, 24913), (1708, 17795), (2135, 14236), (3559, 8540), (4270, 7118)]