8989665440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1051}}^1\times {\mathrm{1091}}^1$

素因数の和:2171

約数の個数: 144

約数和(自身を含む): 24751700064

約数和(自身を除く): 15762034624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1051, 1091, 1120, 1568, 1960, 2102, 2182, 3920, 4204, 4364, 5255, 5455, 7357, 7637, 7840, 8408, 8728, 10510, 10910, 14714, 15274, 16816, 17456, 21020, 21820, 29428, 30548, 33632, 34912, 36785, 38185, 42040, 43640, 51499, 53459, 58856, 61096, 73570, 76370, 84080, 87280, 102998, 106918, 117712, 122192, 147140, 152740, 168160, 174560, 205996, 213836, 235424, 244384, 257495, 267295, 294280, 305480, 411992, 427672, 514990, 534590, 588560, 610960, 823984, 855344, 1029980, 1069180, 1146641, 1177120, 1221920, 1647968, 1710688, 2059960, 2138360, 2293282, 4119920, 4276720, 4586564, 5733205, 8026487, 8239840, 8553440, 9173128, 11466410, 16052974, 18346256, 22932820, 32105948, 36692512, 40132435, 45865640, 56185409, 64211896, 80264870, 91731280, 112370818, 128423792, 160529740, 183462560, 224741636, 256847584, 280927045, 321059480, 449483272, 561854090, 642118960, 898966544, 1123708180, 1284237920, 1797933088, 2247416360, 4494832720, 8989665440]

約数ペア:

[(1, 8989665440), (2, 4494832720), (4, 2247416360), (5, 1797933088), (7, 1284237920), (8, 1123708180), (10, 898966544), (14, 642118960), (16, 561854090), (20, 449483272), (28, 321059480), (32, 280927045), (35, 256847584), (40, 224741636), (49, 183462560), (56, 160529740), (70, 128423792), (80, 112370818), (98, 91731280), (112, 80264870), (140, 64211896), (160, 56185409), (196, 45865640), (224, 40132435), (245, 36692512), (280, 32105948), (392, 22932820), (490, 18346256), (560, 16052974), (784, 11466410), (980, 9173128), (1051, 8553440), (1091, 8239840), (1120, 8026487), (1568, 5733205), (1960, 4586564), (2102, 4276720), (2182, 4119920), (3920, 2293282), (4204, 2138360), (4364, 2059960), (5255, 1710688), (5455, 1647968), (7357, 1221920), (7637, 1177120), (7840, 1146641), (8408, 1069180), (8728, 1029980), (10510, 855344), (10910, 823984), (14714, 610960), (15274, 588560), (16816, 534590), (17456, 514990), (21020, 427672), (21820, 411992), (29428, 305480), (30548, 294280), (33632, 267295), (34912, 257495), (36785, 244384), (38185, 235424), (42040, 213836), (43640, 205996), (51499, 174560), (53459, 168160), (58856, 152740), (61096, 147140), (73570, 122192), (76370, 117712), (84080, 106918), (87280, 102998)]