4901780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 11748240

約数和(自身を除く): 6846460

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, 1109, 2210, 2218, 4420, 4436, 5545, 11090, 14417, 18853, 22180, 28834, 37706, 57668, 72085, 75412, 94265, 144170, 188530, 245089, 288340, 377060, 490178, 980356, 1225445, 2450890, 4901780]

約数ペア:

[(1, 4901780), (2, 2450890), (4, 1225445), (5, 980356), (10, 490178), (13, 377060), (17, 288340), (20, 245089), (26, 188530), (34, 144170), (52, 94265), (65, 75412), (68, 72085), (85, 57668), (130, 37706), (170, 28834), (221, 22180), (260, 18853), (340, 14417), (442, 11090), (884, 5545), (1105, 4436), (1109, 4420), (2210, 2218)]