225538460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:915

約数の個数: 96

約数和(自身を含む): 571898880

約数和(自身を除く): 346360420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 230, 322, 356, 445, 460, 623, 644, 787, 805, 890, 1246, 1574, 1610, 1780, 2047, 2492, 3115, 3148, 3220, 3935, 4094, 5509, 6230, 7870, 8188, 10235, 11018, 12460, 14329, 15740, 18101, 20470, 22036, 27545, 28658, 36202, 40940, 55090, 57316, 70043, 71645, 72404, 90505, 110180, 126707, 140086, 143290, 181010, 253414, 280172, 286580, 350215, 362020, 490301, 506828, 633535, 700430, 980602, 1267070, 1400860, 1610989, 1961204, 2451505, 2534140, 3221978, 4903010, 6443956, 8054945, 9806020, 11276923, 16109890, 22553846, 32219780, 45107692, 56384615, 112769230, 225538460]

約数ペア:

[(1, 225538460), (2, 112769230), (4, 56384615), (5, 45107692), (7, 32219780), (10, 22553846), (14, 16109890), (20, 11276923), (23, 9806020), (28, 8054945), (35, 6443956), (46, 4903010), (70, 3221978), (89, 2534140), (92, 2451505), (115, 1961204), (140, 1610989), (161, 1400860), (178, 1267070), (230, 980602), (322, 700430), (356, 633535), (445, 506828), (460, 490301), (623, 362020), (644, 350215), (787, 286580), (805, 280172), (890, 253414), (1246, 181010), (1574, 143290), (1610, 140086), (1780, 126707), (2047, 110180), (2492, 90505), (3115, 72404), (3148, 71645), (3220, 70043), (3935, 57316), (4094, 55090), (5509, 40940), (6230, 36202), (7870, 28658), (8188, 27545), (10235, 22036), (11018, 20470), (12460, 18101), (14329, 15740)]