200728520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1399}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 480816000

約数和(自身を除く): 280087480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 211, 340, 422, 680, 844, 1055, 1399, 1688, 2110, 2798, 3587, 4220, 5596, 6995, 7174, 8440, 11192, 13990, 14348, 17935, 23783, 27980, 28696, 35870, 47566, 55960, 71740, 95132, 118915, 143480, 190264, 237830, 295189, 475660, 590378, 951320, 1180756, 1475945, 2361512, 2951890, 5018213, 5903780, 10036426, 11807560, 20072852, 25091065, 40145704, 50182130, 100364260, 200728520]

約数ペア:

[(1, 200728520), (2, 100364260), (4, 50182130), (5, 40145704), (8, 25091065), (10, 20072852), (17, 11807560), (20, 10036426), (34, 5903780), (40, 5018213), (68, 2951890), (85, 2361512), (136, 1475945), (170, 1180756), (211, 951320), (340, 590378), (422, 475660), (680, 295189), (844, 237830), (1055, 190264), (1399, 143480), (1688, 118915), (2110, 95132), (2798, 71740), (3587, 55960), (4220, 47566), (5596, 35870), (6995, 28696), (7174, 27980), (8440, 23783), (11192, 17935), (13990, 14348)]