157070999980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1\times {\mathrm{1087}}^1$

素因数の和:1679

約数の個数: 96

約数和(自身を含む): 335328215040

約数和(自身を除く): 178257215060

約数列:

[1, 2, 4, 5, 10, 20, 179, 181, 223, 358, 362, 446, 716, 724, 892, 895, 905, 1087, 1115, 1790, 1810, 2174, 2230, 3580, 3620, 4348, 4460, 5435, 10870, 21740, 32399, 39917, 40363, 64798, 79834, 80726, 129596, 159668, 161452, 161995, 194573, 196747, 199585, 201815, 242401, 323990, 389146, 393494, 399170, 403630, 484802, 647980, 778292, 786988, 798340, 807260, 969604, 972865, 983735, 1212005, 1945730, 1967470, 2424010, 3891460, 3934940, 4848020, 7224977, 14449954, 28899908, 35217713, 36124885, 43389779, 43874581, 70435426, 72249770, 86779558, 87749162, 140870852, 144499540, 173559116, 175498324, 176088565, 216948895, 219372905, 352177130, 433897790, 438745810, 704354260, 867795580, 877491620, 7853549999, 15707099998, 31414199996, 39267749995, 78535499990, 157070999980]

約数ペア:

[(1, 157070999980), (2, 78535499990), (4, 39267749995), (5, 31414199996), (10, 15707099998), (20, 7853549999), (179, 877491620), (181, 867795580), (223, 704354260), (358, 438745810), (362, 433897790), (446, 352177130), (716, 219372905), (724, 216948895), (892, 176088565), (895, 175498324), (905, 173559116), (1087, 144499540), (1115, 140870852), (1790, 87749162), (1810, 86779558), (2174, 72249770), (2230, 70435426), (3580, 43874581), (3620, 43389779), (4348, 36124885), (4460, 35217713), (5435, 28899908), (10870, 14449954), (21740, 7224977), (32399, 4848020), (39917, 3934940), (40363, 3891460), (64798, 2424010), (79834, 1967470), (80726, 1945730), (129596, 1212005), (159668, 983735), (161452, 972865), (161995, 969604), (194573, 807260), (196747, 798340), (199585, 786988), (201815, 778292), (242401, 647980), (323990, 484802), (389146, 403630), (393494, 399170)]