2002140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{227}}^1$

素因数の和:256

約数の個数: 108

約数和(自身を含む): 7095816

約数和(自身を除く): 5093676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 227, 245, 252, 294, 315, 420, 441, 454, 490, 588, 630, 681, 735, 882, 908, 980, 1135, 1260, 1362, 1470, 1589, 1764, 2043, 2205, 2270, 2724, 2940, 3178, 3405, 4086, 4410, 4540, 4767, 6356, 6810, 7945, 8172, 8820, 9534, 10215, 11123, 13620, 14301, 15890, 19068, 20430, 22246, 23835, 28602, 31780, 33369, 40860, 44492, 47670, 55615, 57204, 66738, 71505, 95340, 100107, 111230, 133476, 143010, 166845, 200214, 222460, 286020, 333690, 400428, 500535, 667380, 1001070, 2002140]

約数ペア:

[(1, 2002140), (2, 1001070), (3, 667380), (4, 500535), (5, 400428), (6, 333690), (7, 286020), (9, 222460), (10, 200214), (12, 166845), (14, 143010), (15, 133476), (18, 111230), (20, 100107), (21, 95340), (28, 71505), (30, 66738), (35, 57204), (36, 55615), (42, 47670), (45, 44492), (49, 40860), (60, 33369), (63, 31780), (70, 28602), (84, 23835), (90, 22246), (98, 20430), (105, 19068), (126, 15890), (140, 14301), (147, 13620), (180, 11123), (196, 10215), (210, 9534), (227, 8820), (245, 8172), (252, 7945), (294, 6810), (315, 6356), (420, 4767), (441, 4540), (454, 4410), (490, 4086), (588, 3405), (630, 3178), (681, 2940), (735, 2724), (882, 2270), (908, 2205), (980, 2043), (1135, 1764), (1260, 1589), (1362, 1470)]