51748340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1279}}^1$

素因数の和:1329

約数の個数: 72

約数和(自身を含む): 132034560

約数和(自身を除く): 80286220

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 1156, 1190, 1279, 1445, 2023, 2380, 2558, 2890, 4046, 5116, 5780, 6395, 8092, 8953, 10115, 12790, 17906, 20230, 21743, 25580, 35812, 40460, 43486, 44765, 86972, 89530, 108715, 152201, 179060, 217430, 304402, 369631, 434860, 608804, 739262, 761005, 1478524, 1522010, 1848155, 2587417, 3044020, 3696310, 5174834, 7392620, 10349668, 12937085, 25874170, 51748340]

約数ペア:

[(1, 51748340), (2, 25874170), (4, 12937085), (5, 10349668), (7, 7392620), (10, 5174834), (14, 3696310), (17, 3044020), (20, 2587417), (28, 1848155), (34, 1522010), (35, 1478524), (68, 761005), (70, 739262), (85, 608804), (119, 434860), (140, 369631), (170, 304402), (238, 217430), (289, 179060), (340, 152201), (476, 108715), (578, 89530), (595, 86972), (1156, 44765), (1190, 43486), (1279, 40460), (1445, 35812), (2023, 25580), (2380, 21743), (2558, 20230), (2890, 17906), (4046, 12790), (5116, 10115), (5780, 8953), (6395, 8092)]