7478900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 19102944

約数和(自身を除く): 11624044

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 523, 550, 572, 650, 715, 1046, 1100, 1300, 1430, 2092, 2615, 2860, 3575, 5230, 5753, 6799, 7150, 10460, 11506, 13075, 13598, 14300, 23012, 26150, 27196, 28765, 33995, 52300, 57530, 67990, 74789, 115060, 135980, 143825, 149578, 169975, 287650, 299156, 339950, 373945, 575300, 679900, 747890, 1495780, 1869725, 3739450, 7478900]

約数ペア:

[(1, 7478900), (2, 3739450), (4, 1869725), (5, 1495780), (10, 747890), (11, 679900), (13, 575300), (20, 373945), (22, 339950), (25, 299156), (26, 287650), (44, 169975), (50, 149578), (52, 143825), (55, 135980), (65, 115060), (100, 74789), (110, 67990), (130, 57530), (143, 52300), (220, 33995), (260, 28765), (275, 27196), (286, 26150), (325, 23012), (523, 14300), (550, 13598), (572, 13075), (650, 11506), (715, 10460), (1046, 7150), (1100, 6799), (1300, 5753), (1430, 5230), (2092, 3575), (2615, 2860)]