209212980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{74189}}^1$

素因数の和:74248

約数の個数: 48

約数和(自身を含む): 598268160

約数和(自身を除く): 389055180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 74189, 148378, 222567, 296756, 370945, 445134, 741890, 890268, 1112835, 1483780, 2225670, 3486883, 4451340, 6973766, 10460649, 13947532, 17434415, 20921298, 34868830, 41842596, 52303245, 69737660, 104606490, 209212980]

約数ペア:

[(1, 209212980), (2, 104606490), (3, 69737660), (4, 52303245), (5, 41842596), (6, 34868830), (10, 20921298), (12, 17434415), (15, 13947532), (20, 10460649), (30, 6973766), (47, 4451340), (60, 3486883), (94, 2225670), (141, 1483780), (188, 1112835), (235, 890268), (282, 741890), (470, 445134), (564, 370945), (705, 296756), (940, 222567), (1410, 148378), (2820, 74189)]