28375550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 39120130

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 25, 34, 35, 38, 50, 70, 85, 95, 119, 133, 170, 175, 190, 238, 251, 266, 323, 350, 425, 475, 502, 595, 646, 665, 850, 950, 1190, 1255, 1330, 1615, 1757, 2261, 2510, 2975, 3230, 3325, 3514, 4267, 4522, 4769, 5950, 6275, 6650, 8075, 8534, 8785, 9538, 11305, 12550, 16150, 17570, 21335, 22610, 23845, 29869, 33383, 42670, 43925, 47690, 56525, 59738, 66766, 81073, 87850, 106675, 113050, 119225, 149345, 162146, 166915, 213350, 238450, 298690, 333830, 405365, 567511, 746725, 810730, 834575, 1135022, 1493450, 1669150, 2026825, 2837555, 4053650, 5675110, 14187775, 28375550]

約数ペア:

[(1, 28375550), (2, 14187775), (5, 5675110), (7, 4053650), (10, 2837555), (14, 2026825), (17, 1669150), (19, 1493450), (25, 1135022), (34, 834575), (35, 810730), (38, 746725), (50, 567511), (70, 405365), (85, 333830), (95, 298690), (119, 238450), (133, 213350), (170, 166915), (175, 162146), (190, 149345), (238, 119225), (251, 113050), (266, 106675), (323, 87850), (350, 81073), (425, 66766), (475, 59738), (502, 56525), (595, 47690), (646, 43925), (665, 42670), (850, 33383), (950, 29869), (1190, 23845), (1255, 22610), (1330, 21335), (1615, 17570), (1757, 16150), (2261, 12550), (2510, 11305), (2975, 9538), (3230, 8785), (3325, 8534), (3514, 8075), (4267, 6650), (4522, 6275), (4769, 5950)]