208109240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{661}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 497612160

約数和(自身を除く): 289502920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 463, 661, 680, 926, 1322, 1852, 2315, 2644, 3305, 3704, 4630, 5288, 6610, 7871, 9260, 11237, 13220, 15742, 18520, 22474, 26440, 31484, 39355, 44948, 56185, 62968, 78710, 89896, 112370, 157420, 224740, 306043, 314840, 449480, 612086, 1224172, 1530215, 2448344, 3060430, 5202731, 6120860, 10405462, 12241720, 20810924, 26013655, 41621848, 52027310, 104054620, 208109240]

約数ペア:

[(1, 208109240), (2, 104054620), (4, 52027310), (5, 41621848), (8, 26013655), (10, 20810924), (17, 12241720), (20, 10405462), (34, 6120860), (40, 5202731), (68, 3060430), (85, 2448344), (136, 1530215), (170, 1224172), (340, 612086), (463, 449480), (661, 314840), (680, 306043), (926, 224740), (1322, 157420), (1852, 112370), (2315, 89896), (2644, 78710), (3305, 62968), (3704, 56185), (4630, 44948), (5288, 39355), (6610, 31484), (7871, 26440), (9260, 22474), (11237, 18520), (13220, 15742)]