907967900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1301}}^1$

素因数の和:2319

約数の個数: 72

約数和(自身を含む): 2255751456

約数和(自身を除く): 1347783556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 997, 1301, 1994, 2602, 3988, 4985, 5204, 6505, 6979, 9107, 9970, 13010, 13958, 18214, 19940, 24925, 26020, 27916, 32525, 34895, 36428, 45535, 49850, 65050, 69790, 91070, 99700, 130100, 139580, 174475, 182140, 227675, 348950, 455350, 697900, 910700, 1297097, 2594194, 5188388, 6485485, 9079679, 12970970, 18159358, 25941940, 32427425, 36318716, 45398395, 64854850, 90796790, 129709700, 181593580, 226991975, 453983950, 907967900]

約数ペア:

[(1, 907967900), (2, 453983950), (4, 226991975), (5, 181593580), (7, 129709700), (10, 90796790), (14, 64854850), (20, 45398395), (25, 36318716), (28, 32427425), (35, 25941940), (50, 18159358), (70, 12970970), (100, 9079679), (140, 6485485), (175, 5188388), (350, 2594194), (700, 1297097), (997, 910700), (1301, 697900), (1994, 455350), (2602, 348950), (3988, 227675), (4985, 182140), (5204, 174475), (6505, 139580), (6979, 130100), (9107, 99700), (9970, 91070), (13010, 69790), (13958, 65050), (18214, 49850), (19940, 45535), (24925, 36428), (26020, 34895), (27916, 32525)]