279968990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1163}}^1$

素因数の和:1377

約数の個数: 64

約数和(自身を含む): 610122240

約数和(自身を除く): 330153250

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 181, 190, 266, 362, 665, 905, 1163, 1267, 1330, 1810, 2326, 2534, 3439, 5815, 6335, 6878, 8141, 11630, 12670, 16282, 17195, 22097, 24073, 34390, 40705, 44194, 48146, 81410, 110485, 120365, 154679, 210503, 220970, 240730, 309358, 421006, 773395, 1052515, 1473521, 1546790, 2105030, 2947042, 3999557, 7367605, 7999114, 14735210, 19997785, 27996899, 39995570, 55993798, 139984495, 279968990]

約数ペア:

[(1, 279968990), (2, 139984495), (5, 55993798), (7, 39995570), (10, 27996899), (14, 19997785), (19, 14735210), (35, 7999114), (38, 7367605), (70, 3999557), (95, 2947042), (133, 2105030), (181, 1546790), (190, 1473521), (266, 1052515), (362, 773395), (665, 421006), (905, 309358), (1163, 240730), (1267, 220970), (1330, 210503), (1810, 154679), (2326, 120365), (2534, 110485), (3439, 81410), (5815, 48146), (6335, 44194), (6878, 40705), (8141, 34390), (11630, 24073), (12670, 22097), (16282, 17195)]