321105890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 709720704

約数和(自身を除く): 388614814

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 97, 131, 133, 190, 194, 262, 266, 361, 485, 655, 665, 679, 722, 917, 970, 1310, 1330, 1358, 1805, 1834, 1843, 2489, 2527, 3395, 3610, 3686, 4585, 4978, 5054, 6790, 9170, 9215, 12445, 12635, 12707, 12901, 17423, 18430, 24890, 25270, 25414, 25802, 34846, 35017, 47291, 63535, 64505, 70034, 87115, 88949, 94582, 127070, 129010, 174230, 175085, 177898, 236455, 241433, 245119, 331037, 350170, 444745, 472910, 482866, 490238, 662074, 889490, 1207165, 1225595, 1655185, 1690031, 2414330, 2451190, 3310370, 3380062, 4587227, 8450155, 9174454, 16900310, 22936135, 32110589, 45872270, 64221178, 160552945, 321105890]

約数ペア:

[(1, 321105890), (2, 160552945), (5, 64221178), (7, 45872270), (10, 32110589), (14, 22936135), (19, 16900310), (35, 9174454), (38, 8450155), (70, 4587227), (95, 3380062), (97, 3310370), (131, 2451190), (133, 2414330), (190, 1690031), (194, 1655185), (262, 1225595), (266, 1207165), (361, 889490), (485, 662074), (655, 490238), (665, 482866), (679, 472910), (722, 444745), (917, 350170), (970, 331037), (1310, 245119), (1330, 241433), (1358, 236455), (1805, 177898), (1834, 175085), (1843, 174230), (2489, 129010), (2527, 127070), (3395, 94582), (3610, 88949), (3686, 87115), (4585, 70034), (4978, 64505), (5054, 63535), (6790, 47291), (9170, 35017), (9215, 34846), (12445, 25802), (12635, 25414), (12707, 25270), (12901, 24890), (17423, 18430)]