902840290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 1899495360

約数和(自身を除く): 996655070

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 173, 190, 209, 227, 242, 346, 418, 454, 605, 865, 1045, 1135, 1210, 1730, 1903, 2090, 2270, 2299, 2497, 3287, 3806, 4313, 4598, 4994, 6574, 8626, 9515, 11495, 12485, 16435, 19030, 20933, 21565, 22990, 24970, 27467, 32870, 36157, 39271, 41866, 43130, 47443, 54934, 72314, 78542, 94886, 104665, 137335, 180785, 196355, 209330, 237215, 274670, 361570, 392710, 397727, 431981, 474430, 521873, 746149, 795454, 863962, 1043746, 1492298, 1988635, 2159905, 2609365, 3730745, 3977270, 4319810, 4751791, 5218730, 7461490, 8207639, 9503582, 16415278, 23758955, 41038195, 47517910, 82076390, 90284029, 180568058, 451420145, 902840290]

約数ペア:

[(1, 902840290), (2, 451420145), (5, 180568058), (10, 90284029), (11, 82076390), (19, 47517910), (22, 41038195), (38, 23758955), (55, 16415278), (95, 9503582), (110, 8207639), (121, 7461490), (173, 5218730), (190, 4751791), (209, 4319810), (227, 3977270), (242, 3730745), (346, 2609365), (418, 2159905), (454, 1988635), (605, 1492298), (865, 1043746), (1045, 863962), (1135, 795454), (1210, 746149), (1730, 521873), (1903, 474430), (2090, 431981), (2270, 397727), (2299, 392710), (2497, 361570), (3287, 274670), (3806, 237215), (4313, 209330), (4598, 196355), (4994, 180785), (6574, 137335), (8626, 104665), (9515, 94886), (11495, 78542), (12485, 72314), (16435, 54934), (19030, 47443), (20933, 43130), (21565, 41866), (22990, 39271), (24970, 36157), (27467, 32870)]