197810120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1693}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 468357120

約数和(自身を除く): 270547000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 127, 184, 230, 254, 460, 508, 635, 920, 1016, 1270, 1693, 2540, 2921, 3386, 5080, 5842, 6772, 8465, 11684, 13544, 14605, 16930, 23368, 29210, 33860, 38939, 58420, 67720, 77878, 116840, 155756, 194695, 215011, 311512, 389390, 430022, 778780, 860044, 1075055, 1557560, 1720088, 2150110, 4300220, 4945253, 8600440, 9890506, 19781012, 24726265, 39562024, 49452530, 98905060, 197810120]

約数ペア:

[(1, 197810120), (2, 98905060), (4, 49452530), (5, 39562024), (8, 24726265), (10, 19781012), (20, 9890506), (23, 8600440), (40, 4945253), (46, 4300220), (92, 2150110), (115, 1720088), (127, 1557560), (184, 1075055), (230, 860044), (254, 778780), (460, 430022), (508, 389390), (635, 311512), (920, 215011), (1016, 194695), (1270, 155756), (1693, 116840), (2540, 77878), (2921, 67720), (3386, 58420), (5080, 38939), (5842, 33860), (6772, 29210), (8465, 23368), (11684, 16930), (13544, 14605)]