71765000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 173944320

約数和(自身を除く): 102179320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 463, 500, 620, 625, 775, 926, 1000, 1240, 1250, 1550, 1852, 2315, 2500, 3100, 3704, 3875, 4630, 5000, 6200, 7750, 9260, 11575, 14353, 15500, 18520, 19375, 23150, 28706, 31000, 38750, 46300, 57412, 57875, 71765, 77500, 92600, 114824, 115750, 143530, 155000, 231500, 287060, 289375, 358825, 463000, 574120, 578750, 717650, 1157500, 1435300, 1794125, 2315000, 2870600, 3588250, 7176500, 8970625, 14353000, 17941250, 35882500, 71765000]

約数ペア:

[(1, 71765000), (2, 35882500), (4, 17941250), (5, 14353000), (8, 8970625), (10, 7176500), (20, 3588250), (25, 2870600), (31, 2315000), (40, 1794125), (50, 1435300), (62, 1157500), (100, 717650), (124, 578750), (125, 574120), (155, 463000), (200, 358825), (248, 289375), (250, 287060), (310, 231500), (463, 155000), (500, 143530), (620, 115750), (625, 114824), (775, 92600), (926, 77500), (1000, 71765), (1240, 57875), (1250, 57412), (1550, 46300), (1852, 38750), (2315, 31000), (2500, 28706), (3100, 23150), (3704, 19375), (3875, 18520), (4630, 15500), (5000, 14353), (6200, 11575), (7750, 9260)]