209107290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1511}}^1$

素因数の和:2187

約数の個数: 64

約数和(自身を含む): 574801920

約数和(自身を除く): 365694630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 659, 1318, 1511, 1977, 3022, 3295, 3954, 4533, 4613, 6590, 7555, 9066, 9226, 9885, 10577, 13839, 15110, 19770, 21154, 22665, 23065, 27678, 31731, 45330, 46130, 52885, 63462, 69195, 105770, 138390, 158655, 317310, 995749, 1991498, 2987247, 4978745, 5974494, 6970243, 9957490, 13940486, 14936235, 20910729, 29872470, 34851215, 41821458, 69702430, 104553645, 209107290]

約数ペア:

[(1, 209107290), (2, 104553645), (3, 69702430), (5, 41821458), (6, 34851215), (7, 29872470), (10, 20910729), (14, 14936235), (15, 13940486), (21, 9957490), (30, 6970243), (35, 5974494), (42, 4978745), (70, 2987247), (105, 1991498), (210, 995749), (659, 317310), (1318, 158655), (1511, 138390), (1977, 105770), (3022, 69195), (3295, 63462), (3954, 52885), (4533, 46130), (4613, 45330), (6590, 31731), (7555, 27678), (9066, 23065), (9226, 22665), (9885, 21154), (10577, 19770), (13839, 15110)]