2291900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 5614224

約数和(自身を除く): 3322324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 43, 50, 52, 65, 82, 86, 100, 130, 164, 172, 205, 215, 260, 325, 410, 430, 533, 559, 650, 820, 860, 1025, 1066, 1075, 1118, 1300, 1763, 2050, 2132, 2150, 2236, 2665, 2795, 3526, 4100, 4300, 5330, 5590, 7052, 8815, 10660, 11180, 13325, 13975, 17630, 22919, 26650, 27950, 35260, 44075, 45838, 53300, 55900, 88150, 91676, 114595, 176300, 229190, 458380, 572975, 1145950, 2291900]

約数ペア:

[(1, 2291900), (2, 1145950), (4, 572975), (5, 458380), (10, 229190), (13, 176300), (20, 114595), (25, 91676), (26, 88150), (41, 55900), (43, 53300), (50, 45838), (52, 44075), (65, 35260), (82, 27950), (86, 26650), (100, 22919), (130, 17630), (164, 13975), (172, 13325), (205, 11180), (215, 10660), (260, 8815), (325, 7052), (410, 5590), (430, 5330), (533, 4300), (559, 4100), (650, 3526), (820, 2795), (860, 2665), (1025, 2236), (1066, 2150), (1075, 2132), (1118, 2050), (1300, 1763)]