389002880

素因数分解:

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

素因数の和:2858

約数の個数: 128

約数和(自身を含む): 1097487360

約数和(自身を除く): 708484480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 2801, 3472, 3968, 4340, 4480, 4960, 5602, 6944, 8680, 9920, 11204, 13888, 14005, 17360, 19607, 19840, 22408, 27776, 28010, 34720, 39214, 44816, 56020, 69440, 78428, 86831, 89632, 98035, 112040, 138880, 156856, 173662, 179264, 196070, 224080, 313712, 347324, 358528, 392140, 434155, 448160, 607817, 627424, 694648, 784280, 868310, 896320, 1215634, 1254848, 1389296, 1568560, 1736620, 1792640, 2431268, 2509696, 2778592, 3039085, 3137120, 3473240, 4862536, 5557184, 6078170, 6274240, 6946480, 9725072, 11114368, 12156340, 12548480, 13892960, 19450144, 24312680, 27785920, 38900288, 48625360, 55571840, 77800576, 97250720, 194501440, 389002880]

約数ペア:

[(1, 389002880), (2, 194501440), (4, 97250720), (5, 77800576), (7, 55571840), (8, 48625360), (10, 38900288), (14, 27785920), (16, 24312680), (20, 19450144), (28, 13892960), (31, 12548480), (32, 12156340), (35, 11114368), (40, 9725072), (56, 6946480), (62, 6274240), (64, 6078170), (70, 5557184), (80, 4862536), (112, 3473240), (124, 3137120), (128, 3039085), (140, 2778592), (155, 2509696), (160, 2431268), (217, 1792640), (224, 1736620), (248, 1568560), (280, 1389296), (310, 1254848), (320, 1215634), (434, 896320), (448, 868310), (496, 784280), (560, 694648), (620, 627424), (640, 607817), (868, 448160), (896, 434155), (992, 392140), (1085, 358528), (1120, 347324), (1240, 313712), (1736, 224080), (1984, 196070), (2170, 179264), (2240, 173662), (2480, 156856), (2801, 138880), (3472, 112040), (3968, 98035), (4340, 89632), (4480, 86831), (4960, 78428), (5602, 69440), (6944, 56020), (8680, 44816), (9920, 39214), (11204, 34720), (13888, 28010), (14005, 27776), (17360, 22408), (19607, 19840)]