98779980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126641}}^1$

素因数の和:126666

約数の個数: 48

約数和(自身を含む): 297861984

約数和(自身を除く): 199082004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 126641, 253282, 379923, 506564, 633205, 759846, 1266410, 1519692, 1646333, 1899615, 2532820, 3292666, 3799230, 4938999, 6585332, 7598460, 8231665, 9877998, 16463330, 19755996, 24694995, 32926660, 49389990, 98779980]

約数ペア:

[(1, 98779980), (2, 49389990), (3, 32926660), (4, 24694995), (5, 19755996), (6, 16463330), (10, 9877998), (12, 8231665), (13, 7598460), (15, 6585332), (20, 4938999), (26, 3799230), (30, 3292666), (39, 2532820), (52, 1899615), (60, 1646333), (65, 1519692), (78, 1266410), (130, 759846), (156, 633205), (195, 506564), (260, 379923), (390, 253282), (780, 126641)]