201912974780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1\times {\mathrm{39133}}^1$

素因数の和:39699

約数の個数: 96

約数和(自身を含む): 473364864000

約数和(自身を除く): 271451889220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 499, 517, 940, 998, 1034, 1996, 2068, 2495, 2585, 4990, 5170, 5489, 9980, 10340, 10978, 21956, 23453, 27445, 39133, 46906, 54890, 78266, 93812, 109780, 117265, 156532, 195665, 234530, 257983, 391330, 430463, 469060, 515966, 782660, 860926, 1031932, 1289915, 1721852, 1839251, 2152315, 2579830, 3678502, 4304630, 5159660, 7357004, 8609260, 9196255, 18392510, 19527367, 20231761, 36785020, 39054734, 40463522, 78109468, 80927044, 97636835, 101158805, 195273670, 202317610, 214801037, 390547340, 404635220, 429602074, 859204148, 917786249, 1074005185, 1835572498, 2148010370, 3671144996, 4296020740, 4588931245, 9177862490, 10095648739, 18355724980, 20191297478, 40382594956, 50478243695, 100956487390, 201912974780]

約数ペア:

[(1, 201912974780), (2, 100956487390), (4, 50478243695), (5, 40382594956), (10, 20191297478), (11, 18355724980), (20, 10095648739), (22, 9177862490), (44, 4588931245), (47, 4296020740), (55, 3671144996), (94, 2148010370), (110, 1835572498), (188, 1074005185), (220, 917786249), (235, 859204148), (470, 429602074), (499, 404635220), (517, 390547340), (940, 214801037), (998, 202317610), (1034, 195273670), (1996, 101158805), (2068, 97636835), (2495, 80927044), (2585, 78109468), (4990, 40463522), (5170, 39054734), (5489, 36785020), (9980, 20231761), (10340, 19527367), (10978, 18392510), (21956, 9196255), (23453, 8609260), (27445, 7357004), (39133, 5159660), (46906, 4304630), (54890, 3678502), (78266, 2579830), (93812, 2152315), (109780, 1839251), (117265, 1721852), (156532, 1289915), (195665, 1031932), (234530, 860926), (257983, 782660), (391330, 515966), (430463, 469060)]