1878939468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:636

約数の個数: 144

約数和(自身を含む): 5515910400

約数和(自身を除く): 3636970932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 163, 252, 298, 307, 326, 447, 489, 596, 614, 652, 894, 921, 978, 1043, 1141, 1228, 1341, 1467, 1788, 1842, 1956, 2086, 2149, 2282, 2682, 2763, 2934, 3129, 3423, 3684, 4172, 4298, 4564, 5364, 5526, 5868, 6258, 6447, 6846, 8596, 9387, 10269, 11052, 12516, 12894, 13692, 18774, 19341, 20538, 24287, 25788, 37548, 38682, 41076, 45743, 48574, 50041, 72861, 77364, 91486, 97148, 100082, 137229, 145722, 150123, 170009, 182972, 200164, 218583, 274458, 291444, 300246, 320201, 340018, 350287, 411687, 437166, 450369, 510027, 548916, 600492, 640402, 680036, 700574, 823374, 874332, 900738, 960603, 1020054, 1050861, 1280804, 1401148, 1530081, 1646748, 1801476, 1921206, 2040108, 2101722, 2881809, 3060162, 3152583, 3842412, 4203444, 5763618, 6120324, 6305166, 7456109, 11527236, 12610332, 14912218, 22368327, 29824436, 44736654, 52192763, 67104981, 89473308, 104385526, 134209962, 156578289, 208771052, 268419924, 313156578, 469734867, 626313156, 939469734, 1878939468]

約数ペア:

[(1, 1878939468), (2, 939469734), (3, 626313156), (4, 469734867), (6, 313156578), (7, 268419924), (9, 208771052), (12, 156578289), (14, 134209962), (18, 104385526), (21, 89473308), (28, 67104981), (36, 52192763), (42, 44736654), (63, 29824436), (84, 22368327), (126, 14912218), (149, 12610332), (163, 11527236), (252, 7456109), (298, 6305166), (307, 6120324), (326, 5763618), (447, 4203444), (489, 3842412), (596, 3152583), (614, 3060162), (652, 2881809), (894, 2101722), (921, 2040108), (978, 1921206), (1043, 1801476), (1141, 1646748), (1228, 1530081), (1341, 1401148), (1467, 1280804), (1788, 1050861), (1842, 1020054), (1956, 960603), (2086, 900738), (2149, 874332), (2282, 823374), (2682, 700574), (2763, 680036), (2934, 640402), (3129, 600492), (3423, 548916), (3684, 510027), (4172, 450369), (4298, 437166), (4564, 411687), (5364, 350287), (5526, 340018), (5868, 320201), (6258, 300246), (6447, 291444), (6846, 274458), (8596, 218583), (9387, 200164), (10269, 182972), (11052, 170009), (12516, 150123), (12894, 145722), (13692, 137229), (18774, 100082), (19341, 97148), (20538, 91486), (24287, 77364), (25788, 72861), (37548, 50041), (38682, 48574), (41076, 45743)]