1188980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 2857680

約数和(自身を除く): 1668700

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 269, 340, 442, 538, 884, 1076, 1105, 1345, 2210, 2690, 3497, 4420, 4573, 5380, 6994, 9146, 13988, 17485, 18292, 22865, 34970, 45730, 59449, 69940, 91460, 118898, 237796, 297245, 594490, 1188980]

約数ペア:

[(1, 1188980), (2, 594490), (4, 297245), (5, 237796), (10, 118898), (13, 91460), (17, 69940), (20, 59449), (26, 45730), (34, 34970), (52, 22865), (65, 18292), (68, 17485), (85, 13988), (130, 9146), (170, 6994), (221, 5380), (260, 4573), (269, 4420), (340, 3497), (442, 2690), (538, 2210), (884, 1345), (1076, 1105)]