28201770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:997

約数の個数: 80

約数和(自身を含む): 77963688

約数和(自身を除く): 49761918

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 270, 333, 370, 405, 555, 666, 810, 941, 999, 1110, 1665, 1882, 1998, 2823, 2997, 3330, 4705, 4995, 5646, 5994, 8469, 9410, 9990, 14115, 14985, 16938, 25407, 28230, 29970, 34817, 42345, 50814, 69634, 76221, 84690, 104451, 127035, 152442, 174085, 208902, 254070, 313353, 348170, 381105, 522255, 626706, 762210, 940059, 1044510, 1566765, 1880118, 2820177, 3133530, 4700295, 5640354, 9400590, 14100885, 28201770]

約数ペア:

[(1, 28201770), (2, 14100885), (3, 9400590), (5, 5640354), (6, 4700295), (9, 3133530), (10, 2820177), (15, 1880118), (18, 1566765), (27, 1044510), (30, 940059), (37, 762210), (45, 626706), (54, 522255), (74, 381105), (81, 348170), (90, 313353), (111, 254070), (135, 208902), (162, 174085), (185, 152442), (222, 127035), (270, 104451), (333, 84690), (370, 76221), (405, 69634), (555, 50814), (666, 42345), (810, 34817), (941, 29970), (999, 28230), (1110, 25407), (1665, 16938), (1882, 14985), (1998, 14115), (2823, 9990), (2997, 9410), (3330, 8469), (4705, 5994), (4995, 5646)]