123444100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 290372040

約数和(自身を除く): 166927940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 269, 325, 353, 538, 650, 706, 1076, 1300, 1345, 1412, 1765, 2690, 3497, 3530, 4589, 5380, 6725, 6994, 7060, 8825, 9178, 13450, 13988, 17485, 17650, 18356, 22945, 26900, 34970, 35300, 45890, 69940, 87425, 91780, 94957, 114725, 174850, 189914, 229450, 349700, 379828, 458900, 474785, 949570, 1234441, 1899140, 2373925, 2468882, 4747850, 4937764, 6172205, 9495700, 12344410, 24688820, 30861025, 61722050, 123444100]

約数ペア:

[(1, 123444100), (2, 61722050), (4, 30861025), (5, 24688820), (10, 12344410), (13, 9495700), (20, 6172205), (25, 4937764), (26, 4747850), (50, 2468882), (52, 2373925), (65, 1899140), (100, 1234441), (130, 949570), (260, 474785), (269, 458900), (325, 379828), (353, 349700), (538, 229450), (650, 189914), (706, 174850), (1076, 114725), (1300, 94957), (1345, 91780), (1412, 87425), (1765, 69940), (2690, 45890), (3497, 35300), (3530, 34970), (4589, 26900), (5380, 22945), (6725, 18356), (6994, 17650), (7060, 17485), (8825, 13988), (9178, 13450)]