40992420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 136055808

約数和(自身を除く): 95063388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 191, 196, 210, 219, 245, 292, 294, 365, 382, 420, 438, 490, 511, 573, 588, 730, 735, 764, 876, 955, 980, 1022, 1095, 1146, 1337, 1460, 1470, 1533, 1910, 2044, 2190, 2292, 2555, 2674, 2865, 2940, 3066, 3577, 3820, 4011, 4380, 5110, 5348, 5730, 6132, 6685, 7154, 7665, 8022, 9359, 10220, 10731, 11460, 13370, 13943, 14308, 15330, 16044, 17885, 18718, 20055, 21462, 26740, 27886, 28077, 30660, 35770, 37436, 40110, 41829, 42924, 46795, 53655, 55772, 56154, 69715, 71540, 80220, 83658, 93590, 97601, 107310, 112308, 139430, 140385, 167316, 187180, 195202, 209145, 214620, 278860, 280770, 292803, 390404, 418290, 488005, 561540, 585606, 683207, 836580, 976010, 1171212, 1366414, 1464015, 1952020, 2049621, 2732828, 2928030, 3416035, 4099242, 5856060, 6832070, 8198484, 10248105, 13664140, 20496210, 40992420]

約数ペア:

[(1, 40992420), (2, 20496210), (3, 13664140), (4, 10248105), (5, 8198484), (6, 6832070), (7, 5856060), (10, 4099242), (12, 3416035), (14, 2928030), (15, 2732828), (20, 2049621), (21, 1952020), (28, 1464015), (30, 1366414), (35, 1171212), (42, 976010), (49, 836580), (60, 683207), (70, 585606), (73, 561540), (84, 488005), (98, 418290), (105, 390404), (140, 292803), (146, 280770), (147, 278860), (191, 214620), (196, 209145), (210, 195202), (219, 187180), (245, 167316), (292, 140385), (294, 139430), (365, 112308), (382, 107310), (420, 97601), (438, 93590), (490, 83658), (511, 80220), (573, 71540), (588, 69715), (730, 56154), (735, 55772), (764, 53655), (876, 46795), (955, 42924), (980, 41829), (1022, 40110), (1095, 37436), (1146, 35770), (1337, 30660), (1460, 28077), (1470, 27886), (1533, 26740), (1910, 21462), (2044, 20055), (2190, 18718), (2292, 17885), (2555, 16044), (2674, 15330), (2865, 14308), (2940, 13943), (3066, 13370), (3577, 11460), (3820, 10731), (4011, 10220), (4380, 9359), (5110, 8022), (5348, 7665), (5730, 7154), (6132, 6685)]