17861900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 49996800

約数和(自身を除く): 32134900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 25, 28, 34, 35, 38, 50, 68, 70, 76, 79, 85, 95, 100, 119, 133, 140, 158, 170, 175, 190, 238, 266, 316, 323, 340, 350, 380, 395, 425, 475, 476, 532, 553, 595, 646, 665, 700, 790, 850, 950, 1106, 1190, 1292, 1330, 1343, 1501, 1580, 1615, 1700, 1900, 1975, 2212, 2261, 2380, 2660, 2686, 2765, 2975, 3002, 3230, 3325, 3950, 4522, 5372, 5530, 5950, 6004, 6460, 6650, 6715, 7505, 7900, 8075, 9044, 9401, 10507, 11060, 11305, 11900, 13300, 13430, 13825, 15010, 16150, 18802, 21014, 22610, 25517, 26860, 27650, 30020, 32300, 33575, 37525, 37604, 42028, 45220, 47005, 51034, 52535, 55300, 56525, 67150, 75050, 94010, 102068, 105070, 113050, 127585, 134300, 150100, 178619, 188020, 210140, 226100, 235025, 255170, 262675, 357238, 470050, 510340, 525350, 637925, 714476, 893095, 940100, 1050700, 1275850, 1786190, 2551700, 3572380, 4465475, 8930950, 17861900]

約数ペア:

[(1, 17861900), (2, 8930950), (4, 4465475), (5, 3572380), (7, 2551700), (10, 1786190), (14, 1275850), (17, 1050700), (19, 940100), (20, 893095), (25, 714476), (28, 637925), (34, 525350), (35, 510340), (38, 470050), (50, 357238), (68, 262675), (70, 255170), (76, 235025), (79, 226100), (85, 210140), (95, 188020), (100, 178619), (119, 150100), (133, 134300), (140, 127585), (158, 113050), (170, 105070), (175, 102068), (190, 94010), (238, 75050), (266, 67150), (316, 56525), (323, 55300), (340, 52535), (350, 51034), (380, 47005), (395, 45220), (425, 42028), (475, 37604), (476, 37525), (532, 33575), (553, 32300), (595, 30020), (646, 27650), (665, 26860), (700, 25517), (790, 22610), (850, 21014), (950, 18802), (1106, 16150), (1190, 15010), (1292, 13825), (1330, 13430), (1343, 13300), (1501, 11900), (1580, 11305), (1615, 11060), (1700, 10507), (1900, 9401), (1975, 9044), (2212, 8075), (2261, 7900), (2380, 7505), (2660, 6715), (2686, 6650), (2765, 6460), (2975, 6004), (3002, 5950), (3230, 5530), (3325, 5372), (3950, 4522)]