89127100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 207191600

約数和(自身を除く): 118064500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 305, 380, 475, 610, 769, 950, 1159, 1220, 1525, 1538, 1900, 2318, 3050, 3076, 3845, 4636, 5795, 6100, 7690, 11590, 14611, 15380, 19225, 23180, 28975, 29222, 38450, 46909, 57950, 58444, 73055, 76900, 93818, 115900, 146110, 187636, 234545, 292220, 365275, 469090, 730550, 891271, 938180, 1172725, 1461100, 1782542, 2345450, 3565084, 4456355, 4690900, 8912710, 17825420, 22281775, 44563550, 89127100]

約数ペア:

[(1, 89127100), (2, 44563550), (4, 22281775), (5, 17825420), (10, 8912710), (19, 4690900), (20, 4456355), (25, 3565084), (38, 2345450), (50, 1782542), (61, 1461100), (76, 1172725), (95, 938180), (100, 891271), (122, 730550), (190, 469090), (244, 365275), (305, 292220), (380, 234545), (475, 187636), (610, 146110), (769, 115900), (950, 93818), (1159, 76900), (1220, 73055), (1525, 58444), (1538, 57950), (1900, 46909), (2318, 38450), (3050, 29222), (3076, 28975), (3845, 23180), (4636, 19225), (5795, 15380), (6100, 14611), (7690, 11590)]