1520233900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 3350011280

約数和(自身を除く): 1829777380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 211, 218, 422, 436, 545, 661, 844, 1055, 1090, 1322, 2110, 2180, 2644, 2725, 3305, 4220, 5275, 5450, 6610, 10550, 10900, 13220, 16525, 21100, 22999, 33050, 45998, 66100, 72049, 91996, 114995, 139471, 144098, 229990, 278942, 288196, 360245, 459980, 557884, 574975, 697355, 720490, 1149950, 1394710, 1440980, 1801225, 2299900, 2789420, 3486775, 3602450, 6973550, 7204900, 13947100, 15202339, 30404678, 60809356, 76011695, 152023390, 304046780, 380058475, 760116950, 1520233900]

約数ペア:

[(1, 1520233900), (2, 760116950), (4, 380058475), (5, 304046780), (10, 152023390), (20, 76011695), (25, 60809356), (50, 30404678), (100, 15202339), (109, 13947100), (211, 7204900), (218, 6973550), (422, 3602450), (436, 3486775), (545, 2789420), (661, 2299900), (844, 1801225), (1055, 1440980), (1090, 1394710), (1322, 1149950), (2110, 720490), (2180, 697355), (2644, 574975), (2725, 557884), (3305, 459980), (4220, 360245), (5275, 288196), (5450, 278942), (6610, 229990), (10550, 144098), (10900, 139471), (13220, 114995), (16525, 91996), (21100, 72049), (22999, 66100), (33050, 45998)]