203134490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 404520480

約数和(自身を除く): 201385990

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 97, 130, 178, 181, 194, 362, 445, 485, 890, 905, 970, 1157, 1261, 1810, 2314, 2353, 2522, 4706, 5785, 6305, 8633, 11570, 11765, 12610, 16109, 17266, 17557, 23530, 32218, 35114, 43165, 80545, 86330, 87785, 112229, 161090, 175570, 209417, 224458, 228241, 418834, 456482, 561145, 1047085, 1122290, 1141205, 1562573, 2094170, 2282410, 3125146, 7812865, 15625730, 20313449, 40626898, 101567245, 203134490]

約数ペア:

[(1, 203134490), (2, 101567245), (5, 40626898), (10, 20313449), (13, 15625730), (26, 7812865), (65, 3125146), (89, 2282410), (97, 2094170), (130, 1562573), (178, 1141205), (181, 1122290), (194, 1047085), (362, 561145), (445, 456482), (485, 418834), (890, 228241), (905, 224458), (970, 209417), (1157, 175570), (1261, 161090), (1810, 112229), (2314, 87785), (2353, 86330), (2522, 80545), (4706, 43165), (5785, 35114), (6305, 32218), (8633, 23530), (11570, 17557), (11765, 17266), (12610, 16109)]