381999420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17539}}^1$

素因数の和:17576

約数の個数: 108

約数和(自身を含む): 1273719720

約数和(自身を除く): 891720300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 17539, 21780, 35078, 52617, 70156, 87695, 105234, 157851, 175390, 192929, 210468, 263085, 315702, 350780, 385858, 526170, 578787, 631404, 771716, 789255, 964645, 1052340, 1157574, 1578510, 1736361, 1929290, 2122219, 2315148, 2893935, 3157020, 3472722, 3858580, 4244438, 5787870, 6366657, 6945444, 8488876, 8681805, 10611095, 11575740, 12733314, 17363610, 19099971, 21222190, 25466628, 31833285, 34727220, 38199942, 42444380, 63666570, 76399884, 95499855, 127333140, 190999710, 381999420]

約数ペア:

[(1, 381999420), (2, 190999710), (3, 127333140), (4, 95499855), (5, 76399884), (6, 63666570), (9, 42444380), (10, 38199942), (11, 34727220), (12, 31833285), (15, 25466628), (18, 21222190), (20, 19099971), (22, 17363610), (30, 12733314), (33, 11575740), (36, 10611095), (44, 8681805), (45, 8488876), (55, 6945444), (60, 6366657), (66, 5787870), (90, 4244438), (99, 3858580), (110, 3472722), (121, 3157020), (132, 2893935), (165, 2315148), (180, 2122219), (198, 1929290), (220, 1736361), (242, 1578510), (330, 1157574), (363, 1052340), (396, 964645), (484, 789255), (495, 771716), (605, 631404), (660, 578787), (726, 526170), (990, 385858), (1089, 350780), (1210, 315702), (1452, 263085), (1815, 210468), (1980, 192929), (2178, 175390), (2420, 157851), (3630, 105234), (4356, 87695), (5445, 70156), (7260, 52617), (10890, 35078), (17539, 21780)]