49040420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1319}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 121746240

約数和(自身を除く): 72705820

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1319, 1430, 1690, 1859, 2638, 2860, 3380, 3718, 5276, 6595, 7436, 9295, 13190, 14509, 17147, 18590, 26380, 29018, 34294, 37180, 58036, 68588, 72545, 85735, 145090, 171470, 188617, 222911, 290180, 342940, 377234, 445822, 754468, 891644, 943085, 1114555, 1886170, 2229110, 2452021, 3772340, 4458220, 4904042, 9808084, 12260105, 24520210, 49040420]

約数ペア:

[(1, 49040420), (2, 24520210), (4, 12260105), (5, 9808084), (10, 4904042), (11, 4458220), (13, 3772340), (20, 2452021), (22, 2229110), (26, 1886170), (44, 1114555), (52, 943085), (55, 891644), (65, 754468), (110, 445822), (130, 377234), (143, 342940), (169, 290180), (220, 222911), (260, 188617), (286, 171470), (338, 145090), (572, 85735), (676, 72545), (715, 68588), (845, 58036), (1319, 37180), (1430, 34294), (1690, 29018), (1859, 26380), (2638, 18590), (2860, 17147), (3380, 14509), (3718, 13190), (5276, 9295), (6595, 7436)]