29561720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 70912800

約数和(自身を除く): 41351080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 401, 485, 760, 776, 802, 970, 1604, 1843, 1940, 2005, 3208, 3686, 3880, 4010, 7372, 7619, 8020, 9215, 14744, 15238, 16040, 18430, 30476, 36860, 38095, 38897, 60952, 73720, 76190, 77794, 152380, 155588, 194485, 304760, 311176, 388970, 739043, 777940, 1478086, 1555880, 2956172, 3695215, 5912344, 7390430, 14780860, 29561720]

約数ペア:

[(1, 29561720), (2, 14780860), (4, 7390430), (5, 5912344), (8, 3695215), (10, 2956172), (19, 1555880), (20, 1478086), (38, 777940), (40, 739043), (76, 388970), (95, 311176), (97, 304760), (152, 194485), (190, 155588), (194, 152380), (380, 77794), (388, 76190), (401, 73720), (485, 60952), (760, 38897), (776, 38095), (802, 36860), (970, 30476), (1604, 18430), (1843, 16040), (1940, 15238), (2005, 14744), (3208, 9215), (3686, 8020), (3880, 7619), (4010, 7372)]