29811990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76441}}^1$

素因数の和:76464

約数の個数: 32

約数和(自身を含む): 77053536

約数和(自身を除く): 47241546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 76441, 152882, 229323, 382205, 458646, 764410, 993733, 1146615, 1987466, 2293230, 2981199, 4968665, 5962398, 9937330, 14905995, 29811990]

約数ペア:

[(1, 29811990), (2, 14905995), (3, 9937330), (5, 5962398), (6, 4968665), (10, 2981199), (13, 2293230), (15, 1987466), (26, 1146615), (30, 993733), (39, 764410), (65, 458646), (78, 382205), (130, 229323), (195, 152882), (390, 76441)]