19551700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 53996544

約数和(自身を除く): 34444844

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 31, 34, 35, 50, 53, 62, 68, 70, 85, 100, 106, 119, 124, 140, 155, 170, 175, 212, 217, 238, 265, 310, 340, 350, 371, 425, 434, 476, 527, 530, 595, 620, 700, 742, 775, 850, 868, 901, 1054, 1060, 1085, 1190, 1325, 1484, 1550, 1643, 1700, 1802, 1855, 2108, 2170, 2380, 2635, 2650, 2975, 3100, 3286, 3604, 3689, 3710, 4340, 4505, 5270, 5300, 5425, 5950, 6307, 6572, 7378, 7420, 8215, 9010, 9275, 10540, 10850, 11501, 11900, 12614, 13175, 14756, 16430, 18020, 18445, 18550, 21700, 22525, 23002, 25228, 26350, 27931, 31535, 32860, 36890, 37100, 41075, 45050, 46004, 52700, 55862, 57505, 63070, 73780, 82150, 90100, 92225, 111724, 115010, 126140, 139655, 157675, 164300, 184450, 195517, 230020, 279310, 287525, 315350, 368900, 391034, 558620, 575050, 630700, 698275, 782068, 977585, 1150100, 1396550, 1955170, 2793100, 3910340, 4887925, 9775850, 19551700]

約数ペア:

[(1, 19551700), (2, 9775850), (4, 4887925), (5, 3910340), (7, 2793100), (10, 1955170), (14, 1396550), (17, 1150100), (20, 977585), (25, 782068), (28, 698275), (31, 630700), (34, 575050), (35, 558620), (50, 391034), (53, 368900), (62, 315350), (68, 287525), (70, 279310), (85, 230020), (100, 195517), (106, 184450), (119, 164300), (124, 157675), (140, 139655), (155, 126140), (170, 115010), (175, 111724), (212, 92225), (217, 90100), (238, 82150), (265, 73780), (310, 63070), (340, 57505), (350, 55862), (371, 52700), (425, 46004), (434, 45050), (476, 41075), (527, 37100), (530, 36890), (595, 32860), (620, 31535), (700, 27931), (742, 26350), (775, 25228), (850, 23002), (868, 22525), (901, 21700), (1054, 18550), (1060, 18445), (1085, 18020), (1190, 16430), (1325, 14756), (1484, 13175), (1550, 12614), (1643, 11900), (1700, 11501), (1802, 10850), (1855, 10540), (2108, 9275), (2170, 9010), (2380, 8215), (2635, 7420), (2650, 7378), (2975, 6572), (3100, 6307), (3286, 5950), (3604, 5425), (3689, 5300), (3710, 5270), (4340, 4505)]