381882490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2113}}^1$

素因数の和:2215

約数の個数: 64

約数和(自身を含む): 789046272

約数和(自身を除く): 407163782

約数列:

[1, 2, 5, 10, 11, 22, 31, 53, 55, 62, 106, 110, 155, 265, 310, 341, 530, 583, 682, 1166, 1643, 1705, 2113, 2915, 3286, 3410, 4226, 5830, 8215, 10565, 16430, 18073, 21130, 23243, 36146, 46486, 65503, 90365, 111989, 116215, 131006, 180730, 223978, 232430, 327515, 559945, 655030, 720533, 1119890, 1231879, 1441066, 2463758, 3471659, 3602665, 6159395, 6943318, 7205330, 12318790, 17358295, 34716590, 38188249, 76376498, 190941245, 381882490]

約数ペア:

[(1, 381882490), (2, 190941245), (5, 76376498), (10, 38188249), (11, 34716590), (22, 17358295), (31, 12318790), (53, 7205330), (55, 6943318), (62, 6159395), (106, 3602665), (110, 3471659), (155, 2463758), (265, 1441066), (310, 1231879), (341, 1119890), (530, 720533), (583, 655030), (682, 559945), (1166, 327515), (1643, 232430), (1705, 223978), (2113, 180730), (2915, 131006), (3286, 116215), (3410, 111989), (4226, 90365), (5830, 65503), (8215, 46486), (10565, 36146), (16430, 23243), (18073, 21130)]