202128290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 449729280

約数和(自身を除く): 247600990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 389, 455, 571, 778, 910, 1142, 1945, 2723, 2855, 3890, 3997, 5057, 5446, 5710, 7423, 7994, 10114, 13615, 14846, 19985, 25285, 27230, 35399, 37115, 39970, 50570, 51961, 70798, 74230, 103922, 176995, 222119, 259805, 353990, 444238, 519610, 1110595, 1554833, 2221190, 2887547, 3109666, 5775094, 7774165, 14437735, 15548330, 20212829, 28875470, 40425658, 101064145, 202128290]

約数ペア:

[(1, 202128290), (2, 101064145), (5, 40425658), (7, 28875470), (10, 20212829), (13, 15548330), (14, 14437735), (26, 7774165), (35, 5775094), (65, 3109666), (70, 2887547), (91, 2221190), (130, 1554833), (182, 1110595), (389, 519610), (455, 444238), (571, 353990), (778, 259805), (910, 222119), (1142, 176995), (1945, 103922), (2723, 74230), (2855, 70798), (3890, 51961), (3997, 50570), (5057, 39970), (5446, 37115), (5710, 35399), (7423, 27230), (7994, 25285), (10114, 19985), (13615, 14846)]