651795860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1\times {\mathrm{1327}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 1405555200

約数和(自身を除く): 753759340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 599, 820, 1198, 1327, 2396, 2654, 2995, 5308, 5990, 6635, 11980, 13270, 24559, 26540, 49118, 54407, 98236, 108814, 122795, 217628, 245590, 272035, 491180, 544070, 794873, 1088140, 1589746, 3179492, 3974365, 7948730, 15897460, 32589793, 65179586, 130359172, 162948965, 325897930, 651795860]

約数ペア:

[(1, 651795860), (2, 325897930), (4, 162948965), (5, 130359172), (10, 65179586), (20, 32589793), (41, 15897460), (82, 7948730), (164, 3974365), (205, 3179492), (410, 1589746), (599, 1088140), (820, 794873), (1198, 544070), (1327, 491180), (2396, 272035), (2654, 245590), (2995, 217628), (5308, 122795), (5990, 108814), (6635, 98236), (11980, 54407), (13270, 49118), (24559, 26540)]