201812440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{641}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 482578560

約数和(自身を除く): 280766120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 463, 641, 680, 926, 1282, 1852, 2315, 2564, 3205, 3704, 4630, 5128, 6410, 7871, 9260, 10897, 12820, 15742, 18520, 21794, 25640, 31484, 39355, 43588, 54485, 62968, 78710, 87176, 108970, 157420, 217940, 296783, 314840, 435880, 593566, 1187132, 1483915, 2374264, 2967830, 5045311, 5935660, 10090622, 11871320, 20181244, 25226555, 40362488, 50453110, 100906220, 201812440]

約数ペア:

[(1, 201812440), (2, 100906220), (4, 50453110), (5, 40362488), (8, 25226555), (10, 20181244), (17, 11871320), (20, 10090622), (34, 5935660), (40, 5045311), (68, 2967830), (85, 2374264), (136, 1483915), (170, 1187132), (340, 593566), (463, 435880), (641, 314840), (680, 296783), (926, 217940), (1282, 157420), (1852, 108970), (2315, 87176), (2564, 78710), (3205, 62968), (3704, 54485), (4630, 43588), (5128, 39355), (6410, 31484), (7871, 25640), (9260, 21794), (10897, 18520), (12820, 15742)]