914985220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{20543}}^1$

素因数の和:20700

約数の個数: 48

約数和(自身を含む): 2050126848

約数和(自身を除く): 1135141628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 1310, 2227, 2620, 4454, 8908, 11135, 20543, 22270, 41086, 44540, 82172, 102715, 205430, 349231, 410860, 698462, 1396924, 1746155, 2691133, 3492310, 5382266, 6984620, 10764532, 13455665, 26911330, 45749261, 53822660, 91498522, 182997044, 228746305, 457492610, 914985220]

約数ペア:

[(1, 914985220), (2, 457492610), (4, 228746305), (5, 182997044), (10, 91498522), (17, 53822660), (20, 45749261), (34, 26911330), (68, 13455665), (85, 10764532), (131, 6984620), (170, 5382266), (262, 3492310), (340, 2691133), (524, 1746155), (655, 1396924), (1310, 698462), (2227, 410860), (2620, 349231), (4454, 205430), (8908, 102715), (11135, 82172), (20543, 44540), (22270, 41086)]