2716940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 6187104

約数和(自身を除く): 3470164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 131, 170, 244, 262, 305, 340, 524, 610, 655, 1037, 1220, 1310, 2074, 2227, 2620, 4148, 4454, 5185, 7991, 8908, 10370, 11135, 15982, 20740, 22270, 31964, 39955, 44540, 79910, 135847, 159820, 271694, 543388, 679235, 1358470, 2716940]

約数ペア:

[(1, 2716940), (2, 1358470), (4, 679235), (5, 543388), (10, 271694), (17, 159820), (20, 135847), (34, 79910), (61, 44540), (68, 39955), (85, 31964), (122, 22270), (131, 20740), (170, 15982), (244, 11135), (262, 10370), (305, 8908), (340, 7991), (524, 5185), (610, 4454), (655, 4148), (1037, 2620), (1220, 2227), (1310, 2074)]