203418896

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 424193088

約数和(自身を除く): 220774192

約数列:

[1, 2, 4, 8, 16, 37, 43, 61, 74, 86, 122, 131, 148, 172, 244, 262, 296, 344, 488, 524, 592, 688, 976, 1048, 1591, 2096, 2257, 2623, 3182, 4514, 4847, 5246, 5633, 6364, 7991, 9028, 9694, 10492, 11266, 12728, 15982, 18056, 19388, 20984, 22532, 25456, 31964, 36112, 38776, 41968, 45064, 63928, 77552, 90128, 97051, 127856, 194102, 208421, 295667, 343613, 388204, 416842, 591334, 687226, 776408, 833684, 1182668, 1374452, 1552816, 1667368, 2365336, 2748904, 3334736, 4730672, 5497808, 12713681, 25427362, 50854724, 101709448, 203418896]

約数ペア:

[(1, 203418896), (2, 101709448), (4, 50854724), (8, 25427362), (16, 12713681), (37, 5497808), (43, 4730672), (61, 3334736), (74, 2748904), (86, 2365336), (122, 1667368), (131, 1552816), (148, 1374452), (172, 1182668), (244, 833684), (262, 776408), (296, 687226), (344, 591334), (488, 416842), (524, 388204), (592, 343613), (688, 295667), (976, 208421), (1048, 194102), (1591, 127856), (2096, 97051), (2257, 90128), (2623, 77552), (3182, 63928), (4514, 45064), (4847, 41968), (5246, 38776), (5633, 36112), (6364, 31964), (7991, 25456), (9028, 22532), (9694, 20984), (10492, 19388), (11266, 18056), (12728, 15982)]