2440520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 6032880

約数和(自身を除く): 3592360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 97, 136, 148, 170, 185, 194, 296, 340, 370, 388, 485, 629, 680, 740, 776, 970, 1258, 1480, 1649, 1940, 2516, 3145, 3298, 3589, 3880, 5032, 6290, 6596, 7178, 8245, 12580, 13192, 14356, 16490, 17945, 25160, 28712, 32980, 35890, 61013, 65960, 71780, 122026, 143560, 244052, 305065, 488104, 610130, 1220260, 2440520]

約数ペア:

[(1, 2440520), (2, 1220260), (4, 610130), (5, 488104), (8, 305065), (10, 244052), (17, 143560), (20, 122026), (34, 71780), (37, 65960), (40, 61013), (68, 35890), (74, 32980), (85, 28712), (97, 25160), (136, 17945), (148, 16490), (170, 14356), (185, 13192), (194, 12580), (296, 8245), (340, 7178), (370, 6596), (388, 6290), (485, 5032), (629, 3880), (680, 3589), (740, 3298), (776, 3145), (970, 2516), (1258, 1940), (1480, 1649)]