71441020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 175815360

約数和(自身を除く): 104374340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 269, 271, 490, 538, 542, 980, 1076, 1084, 1345, 1355, 1883, 1897, 2690, 2710, 3766, 3794, 5380, 5420, 7532, 7588, 9415, 9485, 13181, 13279, 18830, 18970, 26362, 26558, 37660, 37940, 52724, 53116, 65905, 66395, 72899, 131810, 132790, 145798, 263620, 265580, 291596, 364495, 510293, 728990, 1020586, 1457980, 2041172, 2551465, 3572051, 5102930, 7144102, 10205860, 14288204, 17860255, 35720510, 71441020]

約数ペア:

[(1, 71441020), (2, 35720510), (4, 17860255), (5, 14288204), (7, 10205860), (10, 7144102), (14, 5102930), (20, 3572051), (28, 2551465), (35, 2041172), (49, 1457980), (70, 1020586), (98, 728990), (140, 510293), (196, 364495), (245, 291596), (269, 265580), (271, 263620), (490, 145798), (538, 132790), (542, 131810), (980, 72899), (1076, 66395), (1084, 65905), (1345, 53116), (1355, 52724), (1883, 37940), (1897, 37660), (2690, 26558), (2710, 26362), (3766, 18970), (3794, 18830), (5380, 13279), (5420, 13181), (7532, 9485), (7588, 9415)]