996819880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2891

約数の個数: 128

約数和(自身を含む): 2711439360

約数和(自身を除く): 1714619480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 41, 56, 62, 70, 82, 124, 140, 155, 164, 205, 217, 248, 280, 287, 310, 328, 410, 434, 574, 620, 820, 868, 1085, 1148, 1240, 1271, 1435, 1640, 1736, 2170, 2296, 2542, 2801, 2870, 4340, 5084, 5602, 5740, 6355, 8680, 8897, 10168, 11204, 11480, 12710, 14005, 17794, 19607, 22408, 25420, 28010, 35588, 39214, 44485, 50840, 56020, 71176, 78428, 86831, 88970, 98035, 112040, 114841, 156856, 173662, 177940, 196070, 229682, 347324, 355880, 392140, 434155, 459364, 574205, 607817, 694648, 784280, 803887, 868310, 918728, 1148410, 1215634, 1607774, 1736620, 2296820, 2431268, 3039085, 3215548, 3473240, 3560071, 4019435, 4593640, 4862536, 6078170, 6431096, 7120142, 8038870, 12156340, 14240284, 16077740, 17800355, 24312680, 24920497, 28480568, 32155480, 35600710, 49840994, 71201420, 99681988, 124602485, 142402840, 199363976, 249204970, 498409940, 996819880]

約数ペア:

[(1, 996819880), (2, 498409940), (4, 249204970), (5, 199363976), (7, 142402840), (8, 124602485), (10, 99681988), (14, 71201420), (20, 49840994), (28, 35600710), (31, 32155480), (35, 28480568), (40, 24920497), (41, 24312680), (56, 17800355), (62, 16077740), (70, 14240284), (82, 12156340), (124, 8038870), (140, 7120142), (155, 6431096), (164, 6078170), (205, 4862536), (217, 4593640), (248, 4019435), (280, 3560071), (287, 3473240), (310, 3215548), (328, 3039085), (410, 2431268), (434, 2296820), (574, 1736620), (620, 1607774), (820, 1215634), (868, 1148410), (1085, 918728), (1148, 868310), (1240, 803887), (1271, 784280), (1435, 694648), (1640, 607817), (1736, 574205), (2170, 459364), (2296, 434155), (2542, 392140), (2801, 355880), (2870, 347324), (4340, 229682), (5084, 196070), (5602, 177940), (5740, 173662), (6355, 156856), (8680, 114841), (8897, 112040), (10168, 98035), (11204, 88970), (11480, 86831), (12710, 78428), (14005, 71176), (17794, 56020), (19607, 50840), (22408, 44485), (25420, 39214), (28010, 35588)]