87641800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 218457000

約数和(自身を除く): 130815200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 149, 170, 173, 200, 298, 340, 346, 425, 596, 680, 692, 745, 850, 865, 1192, 1384, 1490, 1700, 1730, 2533, 2941, 2980, 3400, 3460, 3725, 4325, 5066, 5882, 5960, 6920, 7450, 8650, 10132, 11764, 12665, 14705, 14900, 17300, 20264, 23528, 25330, 25777, 29410, 29800, 34600, 50660, 51554, 58820, 63325, 73525, 101320, 103108, 117640, 126650, 128885, 147050, 206216, 253300, 257770, 294100, 438209, 506600, 515540, 588200, 644425, 876418, 1031080, 1288850, 1752836, 2191045, 2577700, 3505672, 4382090, 5155400, 8764180, 10955225, 17528360, 21910450, 43820900, 87641800]

約数ペア:

[(1, 87641800), (2, 43820900), (4, 21910450), (5, 17528360), (8, 10955225), (10, 8764180), (17, 5155400), (20, 4382090), (25, 3505672), (34, 2577700), (40, 2191045), (50, 1752836), (68, 1288850), (85, 1031080), (100, 876418), (136, 644425), (149, 588200), (170, 515540), (173, 506600), (200, 438209), (298, 294100), (340, 257770), (346, 253300), (425, 206216), (596, 147050), (680, 128885), (692, 126650), (745, 117640), (850, 103108), (865, 101320), (1192, 73525), (1384, 63325), (1490, 58820), (1700, 51554), (1730, 50660), (2533, 34600), (2941, 29800), (2980, 29410), (3400, 25777), (3460, 25330), (3725, 23528), (4325, 20264), (5066, 17300), (5882, 14900), (5960, 14705), (6920, 12665), (7450, 11764), (8650, 10132)]