804511940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 1828189440

約数和(自身を除く): 1023677500

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 89, 92, 115, 172, 178, 215, 230, 356, 430, 445, 457, 460, 860, 890, 914, 989, 1780, 1828, 1978, 2047, 2285, 3827, 3956, 4094, 4570, 4945, 7654, 8188, 9140, 9890, 10235, 10511, 15308, 19135, 19651, 19780, 20470, 21022, 38270, 39302, 40673, 40940, 42044, 52555, 76540, 78604, 81346, 88021, 98255, 105110, 162692, 176042, 196510, 203365, 210220, 352084, 393020, 406730, 440105, 451973, 813460, 880210, 903946, 935479, 1748939, 1760420, 1807892, 1870958, 2259865, 3497878, 3741916, 4519730, 4677395, 6995756, 8744695, 9039460, 9354790, 17489390, 18709580, 34978780, 40225597, 80451194, 160902388, 201127985, 402255970, 804511940]

約数ペア:

[(1, 804511940), (2, 402255970), (4, 201127985), (5, 160902388), (10, 80451194), (20, 40225597), (23, 34978780), (43, 18709580), (46, 17489390), (86, 9354790), (89, 9039460), (92, 8744695), (115, 6995756), (172, 4677395), (178, 4519730), (215, 3741916), (230, 3497878), (356, 2259865), (430, 1870958), (445, 1807892), (457, 1760420), (460, 1748939), (860, 935479), (890, 903946), (914, 880210), (989, 813460), (1780, 451973), (1828, 440105), (1978, 406730), (2047, 393020), (2285, 352084), (3827, 210220), (3956, 203365), (4094, 196510), (4570, 176042), (4945, 162692), (7654, 105110), (8188, 98255), (9140, 88021), (9890, 81346), (10235, 78604), (10511, 76540), (15308, 52555), (19135, 42044), (19651, 40940), (19780, 40673), (20470, 39302), (21022, 38270)]