217933380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{24709}}^1$

素因数の和:24738

約数の個数: 108

約数和(自身を含む): 769024620

約数和(自身を除く): 551091240

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 24709, 49418, 74127, 98836, 123545, 148254, 172963, 222381, 247090, 296508, 345926, 370635, 444762, 494180, 518889, 691852, 741270, 864815, 889524, 1037778, 1111905, 1210741, 1482540, 1556667, 1729630, 2075556, 2223810, 2421482, 2594445, 3113334, 3459260, 3632223, 4447620, 4842964, 5188890, 6053705, 6226668, 7264446, 7783335, 10377780, 10896669, 12107410, 14528892, 15566670, 18161115, 21793338, 24214820, 31133340, 36322230, 43586676, 54483345, 72644460, 108966690, 217933380]

約数ペア:

[(1, 217933380), (2, 108966690), (3, 72644460), (4, 54483345), (5, 43586676), (6, 36322230), (7, 31133340), (9, 24214820), (10, 21793338), (12, 18161115), (14, 15566670), (15, 14528892), (18, 12107410), (20, 10896669), (21, 10377780), (28, 7783335), (30, 7264446), (35, 6226668), (36, 6053705), (42, 5188890), (45, 4842964), (49, 4447620), (60, 3632223), (63, 3459260), (70, 3113334), (84, 2594445), (90, 2421482), (98, 2223810), (105, 2075556), (126, 1729630), (140, 1556667), (147, 1482540), (180, 1210741), (196, 1111905), (210, 1037778), (245, 889524), (252, 864815), (294, 741270), (315, 691852), (420, 518889), (441, 494180), (490, 444762), (588, 370635), (630, 345926), (735, 296508), (882, 247090), (980, 222381), (1260, 172963), (1470, 148254), (1764, 123545), (2205, 98836), (2940, 74127), (4410, 49418), (8820, 24709)]