177345220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 409510080

約数和(自身を除く): 232164860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 169, 260, 284, 338, 355, 676, 710, 739, 845, 923, 1420, 1478, 1690, 1846, 2956, 3380, 3692, 3695, 4615, 7390, 9230, 9607, 11999, 14780, 18460, 19214, 23998, 38428, 47996, 48035, 52469, 59995, 96070, 104938, 119990, 124891, 192140, 209876, 239980, 249782, 262345, 499564, 524690, 624455, 682097, 1049380, 1248910, 1364194, 2497820, 2728388, 3410485, 6820970, 8867261, 13641940, 17734522, 35469044, 44336305, 88672610, 177345220]

約数ペア:

[(1, 177345220), (2, 88672610), (4, 44336305), (5, 35469044), (10, 17734522), (13, 13641940), (20, 8867261), (26, 6820970), (52, 3410485), (65, 2728388), (71, 2497820), (130, 1364194), (142, 1248910), (169, 1049380), (260, 682097), (284, 624455), (338, 524690), (355, 499564), (676, 262345), (710, 249782), (739, 239980), (845, 209876), (923, 192140), (1420, 124891), (1478, 119990), (1690, 104938), (1846, 96070), (2956, 59995), (3380, 52469), (3692, 48035), (3695, 47996), (4615, 38428), (7390, 23998), (9230, 19214), (9607, 18460), (11999, 14780)]