2016775900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{17401}}^1$

素因数の和:17495

約数の個数: 72

約数和(自身を含む): 4682530160

約数和(自身を除く): 2665754260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 305, 380, 475, 610, 950, 1159, 1220, 1525, 1900, 2318, 3050, 4636, 5795, 6100, 11590, 17401, 23180, 28975, 34802, 57950, 69604, 87005, 115900, 174010, 330619, 348020, 435025, 661238, 870050, 1061461, 1322476, 1653095, 1740100, 2122922, 3306190, 4245844, 5307305, 6612380, 8265475, 10614610, 16530950, 20167759, 21229220, 26536525, 33061900, 40335518, 53073050, 80671036, 100838795, 106146100, 201677590, 403355180, 504193975, 1008387950, 2016775900]

約数ペア:

[(1, 2016775900), (2, 1008387950), (4, 504193975), (5, 403355180), (10, 201677590), (19, 106146100), (20, 100838795), (25, 80671036), (38, 53073050), (50, 40335518), (61, 33061900), (76, 26536525), (95, 21229220), (100, 20167759), (122, 16530950), (190, 10614610), (244, 8265475), (305, 6612380), (380, 5307305), (475, 4245844), (610, 3306190), (950, 2122922), (1159, 1740100), (1220, 1653095), (1525, 1322476), (1900, 1061461), (2318, 870050), (3050, 661238), (4636, 435025), (5795, 348020), (6100, 330619), (11590, 174010), (17401, 115900), (23180, 87005), (28975, 69604), (34802, 57950)]