30698980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 70447104

約数和(自身を除く): 39748124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1663, 1846, 3326, 3692, 4615, 6652, 8315, 9230, 16630, 18460, 21619, 33260, 43238, 86476, 108095, 118073, 216190, 236146, 432380, 472292, 590365, 1180730, 1534949, 2361460, 3069898, 6139796, 7674745, 15349490, 30698980]

約数ペア:

[(1, 30698980), (2, 15349490), (4, 7674745), (5, 6139796), (10, 3069898), (13, 2361460), (20, 1534949), (26, 1180730), (52, 590365), (65, 472292), (71, 432380), (130, 236146), (142, 216190), (260, 118073), (284, 108095), (355, 86476), (710, 43238), (923, 33260), (1420, 21619), (1663, 18460), (1846, 16630), (3326, 9230), (3692, 8315), (4615, 6652)]