291249420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 192

約数和(自身を含む): 1027095552

約数和(自身を除く): 735846132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 521, 605, 660, 726, 770, 847, 924, 1042, 1155, 1210, 1331, 1452, 1540, 1563, 1694, 1815, 2084, 2310, 2420, 2541, 2605, 2662, 3126, 3388, 3630, 3647, 3993, 4235, 4620, 5082, 5210, 5324, 5731, 6252, 6655, 7260, 7294, 7815, 7986, 8470, 9317, 10164, 10420, 10941, 11462, 12705, 13310, 14588, 15630, 15972, 16940, 17193, 18235, 18634, 19965, 21882, 22924, 25410, 26620, 27951, 28655, 31260, 34386, 36470, 37268, 39930, 40117, 43764, 46585, 50820, 54705, 55902, 57310, 63041, 68772, 72940, 79860, 80234, 85965, 93170, 109410, 111804, 114620, 120351, 126082, 139755, 160468, 171930, 186340, 189123, 200585, 218820, 240702, 252164, 279510, 315205, 343860, 378246, 401170, 441287, 481404, 559020, 601755, 630410, 693451, 756492, 802340, 882574, 945615, 1203510, 1260820, 1323861, 1386902, 1765148, 1891230, 2080353, 2206435, 2407020, 2647722, 2773804, 3467255, 3782460, 4160706, 4412870, 4854157, 5295444, 6619305, 6934510, 8321412, 8825740, 9708314, 10401765, 13238610, 13869020, 14562471, 19416628, 20803530, 24270785, 26477220, 29124942, 41607060, 48541570, 58249884, 72812355, 97083140, 145624710, 291249420]

約数ペア:

[(1, 291249420), (2, 145624710), (3, 97083140), (4, 72812355), (5, 58249884), (6, 48541570), (7, 41607060), (10, 29124942), (11, 26477220), (12, 24270785), (14, 20803530), (15, 19416628), (20, 14562471), (21, 13869020), (22, 13238610), (28, 10401765), (30, 9708314), (33, 8825740), (35, 8321412), (42, 6934510), (44, 6619305), (55, 5295444), (60, 4854157), (66, 4412870), (70, 4160706), (77, 3782460), (84, 3467255), (105, 2773804), (110, 2647722), (121, 2407020), (132, 2206435), (140, 2080353), (154, 1891230), (165, 1765148), (210, 1386902), (220, 1323861), (231, 1260820), (242, 1203510), (308, 945615), (330, 882574), (363, 802340), (385, 756492), (420, 693451), (462, 630410), (484, 601755), (521, 559020), (605, 481404), (660, 441287), (726, 401170), (770, 378246), (847, 343860), (924, 315205), (1042, 279510), (1155, 252164), (1210, 240702), (1331, 218820), (1452, 200585), (1540, 189123), (1563, 186340), (1694, 171930), (1815, 160468), (2084, 139755), (2310, 126082), (2420, 120351), (2541, 114620), (2605, 111804), (2662, 109410), (3126, 93170), (3388, 85965), (3630, 80234), (3647, 79860), (3993, 72940), (4235, 68772), (4620, 63041), (5082, 57310), (5210, 55902), (5324, 54705), (5731, 50820), (6252, 46585), (6655, 43764), (7260, 40117), (7294, 39930), (7815, 37268), (7986, 36470), (8470, 34386), (9317, 31260), (10164, 28655), (10420, 27951), (10941, 26620), (11462, 25410), (12705, 22924), (13310, 21882), (14588, 19965), (15630, 18634), (15972, 18235), (16940, 17193)]