249802880

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20543}}^1$

素因数の和:20581

約数の個数: 64

約数和(自身を含む): 628646400

約数和(自身を除く): 378843520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 20543, 41086, 82172, 102715, 164344, 205430, 328688, 390317, 410860, 657376, 780634, 821720, 1314752, 1561268, 1643440, 1951585, 2629504, 3122536, 3286880, 3903170, 6245072, 6573760, 7806340, 12490144, 13147520, 15612680, 24980288, 31225360, 49960576, 62450720, 124901440, 249802880]

約数ペア:

[(1, 249802880), (2, 124901440), (4, 62450720), (5, 49960576), (8, 31225360), (10, 24980288), (16, 15612680), (19, 13147520), (20, 12490144), (32, 7806340), (38, 6573760), (40, 6245072), (64, 3903170), (76, 3286880), (80, 3122536), (95, 2629504), (128, 1951585), (152, 1643440), (160, 1561268), (190, 1314752), (304, 821720), (320, 780634), (380, 657376), (608, 410860), (640, 390317), (760, 328688), (1216, 205430), (1520, 164344), (2432, 102715), (3040, 82172), (6080, 41086), (12160, 20543)]