129451970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{7879}}^1$

素因数の和:7970

約数の個数: 32

約数和(自身を含む): 245099520

約数和(自身を除く): 115647550

約数列:

[1, 2, 5, 10, 31, 53, 62, 106, 155, 265, 310, 530, 1643, 3286, 7879, 8215, 15758, 16430, 39395, 78790, 244249, 417587, 488498, 835174, 1221245, 2087935, 2442490, 4175870, 12945197, 25890394, 64725985, 129451970]

約数ペア:

[(1, 129451970), (2, 64725985), (5, 25890394), (10, 12945197), (31, 4175870), (53, 2442490), (62, 2087935), (106, 1221245), (155, 835174), (265, 488498), (310, 417587), (530, 244249), (1643, 78790), (3286, 39395), (7879, 16430), (8215, 15758)]