3449940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4423}}^1$

素因数の和:4448

約数の個数: 48

約数和(自身を含む): 10405248

約数和(自身を除く): 6955308

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, 4423, 8846, 13269, 17692, 22115, 26538, 44230, 53076, 57499, 66345, 88460, 114998, 132690, 172497, 229996, 265380, 287495, 344994, 574990, 689988, 862485, 1149980, 1724970, 3449940]

約数ペア:

[(1, 3449940), (2, 1724970), (3, 1149980), (4, 862485), (5, 689988), (6, 574990), (10, 344994), (12, 287495), (13, 265380), (15, 229996), (20, 172497), (26, 132690), (30, 114998), (39, 88460), (52, 66345), (60, 57499), (65, 53076), (78, 44230), (130, 26538), (156, 22115), (195, 17692), (260, 13269), (390, 8846), (780, 4423)]