828016840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 2177280000

約数和(自身を除く): 1349263160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 149, 178, 223, 280, 298, 356, 445, 446, 596, 623, 712, 745, 890, 892, 1043, 1115, 1192, 1246, 1490, 1561, 1780, 1784, 2086, 2230, 2492, 2980, 3115, 3122, 3560, 4172, 4460, 4984, 5215, 5960, 6230, 6244, 7805, 8344, 8920, 10430, 12460, 12488, 13261, 15610, 19847, 20860, 24920, 26522, 31220, 33227, 39694, 41720, 53044, 62440, 66305, 66454, 79388, 92827, 99235, 106088, 132610, 132908, 138929, 158776, 166135, 185654, 198470, 232589, 265220, 265816, 277858, 332270, 371308, 396940, 464135, 465178, 530440, 555716, 664540, 694645, 742616, 793880, 928270, 930356, 1111432, 1162945, 1329080, 1389290, 1856540, 1860712, 2325890, 2778580, 2957203, 3713080, 4651780, 5557160, 5914406, 9303560, 11828812, 14786015, 20700421, 23657624, 29572030, 41400842, 59144060, 82801684, 103502105, 118288120, 165603368, 207004210, 414008420, 828016840]

約数ペア:

[(1, 828016840), (2, 414008420), (4, 207004210), (5, 165603368), (7, 118288120), (8, 103502105), (10, 82801684), (14, 59144060), (20, 41400842), (28, 29572030), (35, 23657624), (40, 20700421), (56, 14786015), (70, 11828812), (89, 9303560), (140, 5914406), (149, 5557160), (178, 4651780), (223, 3713080), (280, 2957203), (298, 2778580), (356, 2325890), (445, 1860712), (446, 1856540), (596, 1389290), (623, 1329080), (712, 1162945), (745, 1111432), (890, 930356), (892, 928270), (1043, 793880), (1115, 742616), (1192, 694645), (1246, 664540), (1490, 555716), (1561, 530440), (1780, 465178), (1784, 464135), (2086, 396940), (2230, 371308), (2492, 332270), (2980, 277858), (3115, 265816), (3122, 265220), (3560, 232589), (4172, 198470), (4460, 185654), (4984, 166135), (5215, 158776), (5960, 138929), (6230, 132908), (6244, 132610), (7805, 106088), (8344, 99235), (8920, 92827), (10430, 79388), (12460, 66454), (12488, 66305), (13261, 62440), (15610, 53044), (19847, 41720), (20860, 39694), (24920, 33227), (26522, 31220)]