399731220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{15107}}^1$

素因数の和:15139

約数の個数: 144

約数和(自身を含む): 1446742080

約数和(自身を除く): 1047010860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 13230, 15107, 26460, 30214, 45321, 60428, 75535, 90642, 105749, 135963, 151070, 181284, 211498, 226605, 271926, 302140, 317247, 407889, 422996, 453210, 528745, 543852, 634494, 679815, 740243, 815778, 906420, 951741, 1057490, 1268988, 1359630, 1480486, 1586235, 1631556, 1903482, 2039445, 2114980, 2220729, 2719260, 2855223, 2960972, 3172470, 3701215, 3806964, 4078890, 4441458, 4758705, 5710446, 6344940, 6662187, 7402430, 8157780, 8882916, 9517410, 11103645, 11420892, 13324374, 14276115, 14804860, 19034820, 19986561, 22207290, 26648748, 28552230, 33310935, 39973122, 44414580, 57104460, 66621870, 79946244, 99932805, 133243740, 199865610, 399731220]

約数ペア:

[(1, 399731220), (2, 199865610), (3, 133243740), (4, 99932805), (5, 79946244), (6, 66621870), (7, 57104460), (9, 44414580), (10, 39973122), (12, 33310935), (14, 28552230), (15, 26648748), (18, 22207290), (20, 19986561), (21, 19034820), (27, 14804860), (28, 14276115), (30, 13324374), (35, 11420892), (36, 11103645), (42, 9517410), (45, 8882916), (49, 8157780), (54, 7402430), (60, 6662187), (63, 6344940), (70, 5710446), (84, 4758705), (90, 4441458), (98, 4078890), (105, 3806964), (108, 3701215), (126, 3172470), (135, 2960972), (140, 2855223), (147, 2719260), (180, 2220729), (189, 2114980), (196, 2039445), (210, 1903482), (245, 1631556), (252, 1586235), (270, 1480486), (294, 1359630), (315, 1268988), (378, 1057490), (420, 951741), (441, 906420), (490, 815778), (540, 740243), (588, 679815), (630, 634494), (735, 543852), (756, 528745), (882, 453210), (945, 422996), (980, 407889), (1260, 317247), (1323, 302140), (1470, 271926), (1764, 226605), (1890, 211498), (2205, 181284), (2646, 151070), (2940, 135963), (3780, 105749), (4410, 90642), (5292, 75535), (6615, 60428), (8820, 45321), (13230, 30214), (15107, 26460)]