238719964

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 507911040

約数和(自身を除く): 269191076

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 101, 124, 196, 202, 217, 389, 404, 434, 707, 778, 868, 1414, 1519, 1556, 2723, 2828, 3038, 3131, 4949, 5446, 6076, 6262, 9898, 10892, 12059, 12524, 19061, 19796, 21917, 24118, 38122, 39289, 43834, 48236, 76244, 78578, 84413, 87668, 153419, 157156, 168826, 275023, 306838, 337652, 550046, 590891, 613676, 1100092, 1181782, 1217959, 1925161, 2363564, 2435918, 3850322, 4871836, 7700644, 8525713, 17051426, 34102852, 59679991, 119359982, 238719964]

約数ペア:

[(1, 238719964), (2, 119359982), (4, 59679991), (7, 34102852), (14, 17051426), (28, 8525713), (31, 7700644), (49, 4871836), (62, 3850322), (98, 2435918), (101, 2363564), (124, 1925161), (196, 1217959), (202, 1181782), (217, 1100092), (389, 613676), (404, 590891), (434, 550046), (707, 337652), (778, 306838), (868, 275023), (1414, 168826), (1519, 157156), (1556, 153419), (2723, 87668), (2828, 84413), (3038, 78578), (3131, 76244), (4949, 48236), (5446, 43834), (6076, 39289), (6262, 38122), (9898, 24118), (10892, 21917), (12059, 19796), (12524, 19061)]