2978807510

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:731

約数の個数: 128

約数和(自身を含む): 6642432000

約数和(自身を除く): 3663624490

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 61, 70, 98, 115, 122, 161, 230, 245, 305, 322, 343, 427, 490, 610, 619, 686, 805, 854, 1127, 1238, 1403, 1610, 1715, 2135, 2254, 2806, 2989, 3095, 3430, 4270, 4333, 5635, 5978, 6190, 7015, 7889, 8666, 9821, 11270, 14030, 14237, 14945, 15778, 19642, 20923, 21665, 28474, 29890, 30331, 37759, 39445, 41846, 43330, 49105, 60662, 68747, 71185, 75518, 78890, 98210, 99659, 104615, 137494, 142370, 151655, 188795, 199318, 209230, 212317, 264313, 303310, 343735, 377590, 424634, 481229, 498295, 528626, 687470, 697613, 868457, 962458, 996590, 1061585, 1321565, 1395226, 1736914, 1850191, 2123170, 2406145, 2643130, 3488065, 3700382, 4342285, 4812290, 4883291, 6079199, 6976130, 8684570, 9250955, 9766582, 12158398, 12951337, 18501910, 24416455, 25902674, 30395995, 42554393, 48832910, 60791990, 64756685, 85108786, 129513370, 212771965, 297880751, 425543930, 595761502, 1489403755, 2978807510]

約数ペア:

[(1, 2978807510), (2, 1489403755), (5, 595761502), (7, 425543930), (10, 297880751), (14, 212771965), (23, 129513370), (35, 85108786), (46, 64756685), (49, 60791990), (61, 48832910), (70, 42554393), (98, 30395995), (115, 25902674), (122, 24416455), (161, 18501910), (230, 12951337), (245, 12158398), (305, 9766582), (322, 9250955), (343, 8684570), (427, 6976130), (490, 6079199), (610, 4883291), (619, 4812290), (686, 4342285), (805, 3700382), (854, 3488065), (1127, 2643130), (1238, 2406145), (1403, 2123170), (1610, 1850191), (1715, 1736914), (2135, 1395226), (2254, 1321565), (2806, 1061585), (2989, 996590), (3095, 962458), (3430, 868457), (4270, 697613), (4333, 687470), (5635, 528626), (5978, 498295), (6190, 481229), (7015, 424634), (7889, 377590), (8666, 343735), (9821, 303310), (11270, 264313), (14030, 212317), (14237, 209230), (14945, 199318), (15778, 188795), (19642, 151655), (20923, 142370), (21665, 137494), (28474, 104615), (29890, 99659), (30331, 98210), (37759, 78890), (39445, 75518), (41846, 71185), (43330, 68747), (49105, 60662)]