15677971220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1\times {\mathrm{929}}^1$

素因数の和:1545

約数の個数: 96

約数和(自身を含む): 35154000000

約数和(自身を除く): 19476028780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 499, 890, 929, 998, 1691, 1780, 1858, 1996, 2495, 3382, 3716, 4645, 4990, 6764, 8455, 9290, 9481, 9980, 16910, 17651, 18580, 18962, 33820, 35302, 37924, 44411, 47405, 70604, 82681, 88255, 88822, 94810, 165362, 176510, 177644, 189620, 222055, 330724, 353020, 413405, 444110, 463571, 826810, 843809, 888220, 927142, 1570939, 1653620, 1687618, 1854284, 2317855, 3141878, 3375236, 4219045, 4635710, 6283756, 7854695, 8438090, 8807849, 9271420, 15709390, 16876180, 17615698, 31418780, 35231396, 41257819, 44039245, 82515638, 88078490, 165031276, 176156980, 206289095, 412578190, 783898561, 825156380, 1567797122, 3135594244, 3919492805, 7838985610, 15677971220]

約数ペア:

[(1, 15677971220), (2, 7838985610), (4, 3919492805), (5, 3135594244), (10, 1567797122), (19, 825156380), (20, 783898561), (38, 412578190), (76, 206289095), (89, 176156980), (95, 165031276), (178, 88078490), (190, 82515638), (356, 44039245), (380, 41257819), (445, 35231396), (499, 31418780), (890, 17615698), (929, 16876180), (998, 15709390), (1691, 9271420), (1780, 8807849), (1858, 8438090), (1996, 7854695), (2495, 6283756), (3382, 4635710), (3716, 4219045), (4645, 3375236), (4990, 3141878), (6764, 2317855), (8455, 1854284), (9290, 1687618), (9481, 1653620), (9980, 1570939), (16910, 927142), (17651, 888220), (18580, 843809), (18962, 826810), (33820, 463571), (35302, 444110), (37924, 413405), (44411, 353020), (47405, 330724), (70604, 222055), (82681, 189620), (88255, 177644), (88822, 176510), (94810, 165362)]