200721255970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3259}}^1\times {\mathrm{8761}}^1$

素因数の和:12083

約数の個数: 64

約数和(自身を含む): 390757161600

約数和(自身を除く): 190035905630

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 3259, 3515, 6518, 7030, 8761, 16295, 17522, 32590, 43805, 61921, 87610, 120583, 123842, 166459, 241166, 309605, 324157, 332918, 602915, 619210, 648314, 832295, 1205830, 1620785, 1664590, 2291077, 3241570, 4582154, 6158983, 11455385, 12317966, 22910770, 28552099, 30794915, 57104198, 61589830, 142760495, 285520990, 542489881, 1056427663, 1084979762, 2112855326, 2712449405, 5282138315, 5424898810, 10564276630, 20072125597, 40144251194, 100360627985, 200721255970]

約数ペア:

[(1, 200721255970), (2, 100360627985), (5, 40144251194), (10, 20072125597), (19, 10564276630), (37, 5424898810), (38, 5282138315), (74, 2712449405), (95, 2112855326), (185, 1084979762), (190, 1056427663), (370, 542489881), (703, 285520990), (1406, 142760495), (3259, 61589830), (3515, 57104198), (6518, 30794915), (7030, 28552099), (8761, 22910770), (16295, 12317966), (17522, 11455385), (32590, 6158983), (43805, 4582154), (61921, 3241570), (87610, 2291077), (120583, 1664590), (123842, 1620785), (166459, 1205830), (241166, 832295), (309605, 648314), (324157, 619210), (332918, 602915)]