201894640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 480969216

約数和(自身を除く): 279074576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 181, 191, 292, 362, 365, 382, 584, 724, 730, 764, 905, 955, 1168, 1448, 1460, 1528, 1810, 1910, 2896, 2920, 3056, 3620, 3820, 5840, 7240, 7640, 13213, 13943, 14480, 15280, 26426, 27886, 34571, 52852, 55772, 66065, 69142, 69715, 105704, 111544, 132130, 138284, 139430, 172855, 211408, 223088, 264260, 276568, 278860, 345710, 528520, 553136, 557720, 691420, 1057040, 1115440, 1382840, 2523683, 2765680, 5047366, 10094732, 12618415, 20189464, 25236830, 40378928, 50473660, 100947320, 201894640]

約数ペア:

[(1, 201894640), (2, 100947320), (4, 50473660), (5, 40378928), (8, 25236830), (10, 20189464), (16, 12618415), (20, 10094732), (40, 5047366), (73, 2765680), (80, 2523683), (146, 1382840), (181, 1115440), (191, 1057040), (292, 691420), (362, 557720), (365, 553136), (382, 528520), (584, 345710), (724, 278860), (730, 276568), (764, 264260), (905, 223088), (955, 211408), (1168, 172855), (1448, 139430), (1460, 138284), (1528, 132130), (1810, 111544), (1910, 105704), (2896, 69715), (2920, 69142), (3056, 66065), (3620, 55772), (3820, 52852), (5840, 34571), (7240, 27886), (7640, 26426), (13213, 15280), (13943, 14480)]