947245780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{214309}}^1$

素因数の和:214348

約数の個数: 48

約数和(自身を含む): 2268257040

約数和(自身を除く): 1321011260

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 214309, 428618, 857236, 1071545, 2143090, 2786017, 3643253, 4286180, 5572034, 7286506, 11144068, 13930085, 14573012, 18216265, 27860170, 36432530, 47362289, 55720340, 72865060, 94724578, 189449156, 236811445, 473622890, 947245780]

約数ペア:

[(1, 947245780), (2, 473622890), (4, 236811445), (5, 189449156), (10, 94724578), (13, 72865060), (17, 55720340), (20, 47362289), (26, 36432530), (34, 27860170), (52, 18216265), (65, 14573012), (68, 13930085), (85, 11144068), (130, 7286506), (170, 5572034), (221, 4286180), (260, 3643253), (340, 2786017), (442, 2143090), (884, 1071545), (1105, 857236), (2210, 428618), (4420, 214309)]