11901890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 128

約数和(自身を含む): 30481920

約数和(自身を除く): 18580030

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 29, 35, 41, 55, 58, 65, 70, 77, 82, 91, 110, 130, 143, 145, 154, 182, 203, 205, 286, 287, 290, 319, 377, 385, 406, 410, 451, 455, 533, 574, 638, 715, 754, 770, 902, 910, 1001, 1015, 1066, 1189, 1430, 1435, 1595, 1885, 2002, 2030, 2233, 2255, 2378, 2639, 2665, 2870, 3157, 3190, 3731, 3770, 4147, 4466, 4510, 5005, 5278, 5330, 5863, 5945, 6314, 7462, 8294, 8323, 10010, 11165, 11726, 11890, 13079, 13195, 15457, 15785, 16646, 18655, 20735, 22330, 26158, 26390, 29029, 29315, 30914, 31570, 37310, 41041, 41470, 41615, 58058, 58630, 65395, 77285, 82082, 83230, 91553, 108199, 130790, 145145, 154570, 170027, 183106, 205205, 216398, 290290, 340054, 410410, 457765, 540995, 850135, 915530, 1081990, 1190189, 1700270, 2380378, 5950945, 11901890]

約数ペア:

[(1, 11901890), (2, 5950945), (5, 2380378), (7, 1700270), (10, 1190189), (11, 1081990), (13, 915530), (14, 850135), (22, 540995), (26, 457765), (29, 410410), (35, 340054), (41, 290290), (55, 216398), (58, 205205), (65, 183106), (70, 170027), (77, 154570), (82, 145145), (91, 130790), (110, 108199), (130, 91553), (143, 83230), (145, 82082), (154, 77285), (182, 65395), (203, 58630), (205, 58058), (286, 41615), (287, 41470), (290, 41041), (319, 37310), (377, 31570), (385, 30914), (406, 29315), (410, 29029), (451, 26390), (455, 26158), (533, 22330), (574, 20735), (638, 18655), (715, 16646), (754, 15785), (770, 15457), (902, 13195), (910, 13079), (1001, 11890), (1015, 11726), (1066, 11165), (1189, 10010), (1430, 8323), (1435, 8294), (1595, 7462), (1885, 6314), (2002, 5945), (2030, 5863), (2233, 5330), (2255, 5278), (2378, 5005), (2639, 4510), (2665, 4466), (2870, 4147), (3157, 3770), (3190, 3731)]