38416980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 127552320

約数和(自身を除く): 89135340

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, 179, 196, 210, 219, 245, 292, 294, 358, 365, 420, 438, 490, 511, 537, 588, 716, 730, 735, 876, 895, 980, 1022, 1074, 1095, 1253, 1460, 1470, 1533, 1790, 2044, 2148, 2190, 2506, 2555, 2685, 2940, 3066, 3577, 3580, 3759, 4380, 5012, 5110, 5370, 6132, 6265, 7154, 7518, 7665, 8771, 10220, 10731, 10740, 12530, 13067, 14308, 15036, 15330, 17542, 17885, 18795, 21462, 25060, 26134, 26313, 30660, 35084, 35770, 37590, 39201, 42924, 43855, 52268, 52626, 53655, 65335, 71540, 75180, 78402, 87710, 91469, 105252, 107310, 130670, 131565, 156804, 175420, 182938, 196005, 214620, 261340, 263130, 274407, 365876, 392010, 457345, 526260, 548814, 640283, 784020, 914690, 1097628, 1280566, 1372035, 1829380, 1920849, 2561132, 2744070, 3201415, 3841698, 5488140, 6402830, 7683396, 9604245, 12805660, 19208490, 38416980]

約数ペア:

[(1, 38416980), (2, 19208490), (3, 12805660), (4, 9604245), (5, 7683396), (6, 6402830), (7, 5488140), (10, 3841698), (12, 3201415), (14, 2744070), (15, 2561132), (20, 1920849), (21, 1829380), (28, 1372035), (30, 1280566), (35, 1097628), (42, 914690), (49, 784020), (60, 640283), (70, 548814), (73, 526260), (84, 457345), (98, 392010), (105, 365876), (140, 274407), (146, 263130), (147, 261340), (179, 214620), (196, 196005), (210, 182938), (219, 175420), (245, 156804), (292, 131565), (294, 130670), (358, 107310), (365, 105252), (420, 91469), (438, 87710), (490, 78402), (511, 75180), (537, 71540), (588, 65335), (716, 53655), (730, 52626), (735, 52268), (876, 43855), (895, 42924), (980, 39201), (1022, 37590), (1074, 35770), (1095, 35084), (1253, 30660), (1460, 26313), (1470, 26134), (1533, 25060), (1790, 21462), (2044, 18795), (2148, 17885), (2190, 17542), (2506, 15330), (2555, 15036), (2685, 14308), (2940, 13067), (3066, 12530), (3577, 10740), (3580, 10731), (3759, 10220), (4380, 8771), (5012, 7665), (5110, 7518), (5370, 7154), (6132, 6265)]