66781100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 155021328

約数和(自身を除く): 88240228

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 163, 170, 241, 326, 340, 425, 482, 652, 815, 850, 964, 1205, 1630, 1700, 2410, 2771, 3260, 4075, 4097, 4820, 5542, 6025, 8150, 8194, 11084, 12050, 13855, 16300, 16388, 20485, 24100, 27710, 39283, 40970, 55420, 69275, 78566, 81940, 102425, 138550, 157132, 196415, 204850, 277100, 392830, 409700, 667811, 785660, 982075, 1335622, 1964150, 2671244, 3339055, 3928300, 6678110, 13356220, 16695275, 33390550, 66781100]

約数ペア:

[(1, 66781100), (2, 33390550), (4, 16695275), (5, 13356220), (10, 6678110), (17, 3928300), (20, 3339055), (25, 2671244), (34, 1964150), (50, 1335622), (68, 982075), (85, 785660), (100, 667811), (163, 409700), (170, 392830), (241, 277100), (326, 204850), (340, 196415), (425, 157132), (482, 138550), (652, 102425), (815, 81940), (850, 78566), (964, 69275), (1205, 55420), (1630, 40970), (1700, 39283), (2410, 27710), (2771, 24100), (3260, 20485), (4075, 16388), (4097, 16300), (4820, 13855), (5542, 12050), (6025, 11084), (8150, 8194)]