201920174

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 346705920

約数和(自身を除く): 144785746

約数列:

[1, 2, 23, 31, 37, 43, 46, 62, 74, 86, 89, 178, 713, 851, 989, 1147, 1333, 1426, 1591, 1702, 1978, 2047, 2294, 2666, 2759, 3182, 3293, 3827, 4094, 5518, 6586, 7654, 26381, 30659, 36593, 49321, 52762, 61318, 63457, 73186, 75739, 88021, 98642, 102083, 118637, 126914, 141599, 151478, 176042, 204166, 237274, 283198, 1134383, 2268766, 2347909, 2728651, 3256777, 4389569, 4695818, 5457302, 6513554, 8779138, 100960087, 201920174]

約数ペア:

[(1, 201920174), (2, 100960087), (23, 8779138), (31, 6513554), (37, 5457302), (43, 4695818), (46, 4389569), (62, 3256777), (74, 2728651), (86, 2347909), (89, 2268766), (178, 1134383), (713, 283198), (851, 237274), (989, 204166), (1147, 176042), (1333, 151478), (1426, 141599), (1591, 126914), (1702, 118637), (1978, 102083), (2047, 98642), (2294, 88021), (2666, 75739), (2759, 73186), (3182, 63457), (3293, 61318), (3827, 52762), (4094, 49321), (5518, 36593), (6586, 30659), (7654, 26381)]