2154663980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:456

約数の個数: 192

約数和(自身を含む): 5706215424

約数和(自身を除く): 3551551444

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 68, 70, 71, 82, 85, 119, 140, 142, 164, 170, 205, 238, 284, 287, 311, 340, 355, 410, 476, 497, 574, 595, 622, 697, 710, 820, 994, 1148, 1190, 1207, 1244, 1394, 1420, 1435, 1555, 1988, 2177, 2380, 2414, 2485, 2788, 2870, 2911, 3110, 3485, 4354, 4828, 4879, 4970, 5287, 5740, 5822, 6035, 6220, 6970, 8449, 8708, 9758, 9940, 10574, 10885, 11644, 12070, 12751, 13940, 14555, 16898, 19516, 20377, 21148, 21770, 22081, 24140, 24395, 25502, 26435, 29110, 33796, 37009, 40754, 42245, 43540, 44162, 48790, 49487, 51004, 52870, 58220, 63755, 74018, 81508, 84490, 88324, 89257, 97580, 98974, 101885, 105740, 110405, 127510, 148036, 154567, 168980, 178514, 185045, 197948, 203770, 216767, 220810, 247435, 255020, 309134, 346409, 357028, 370090, 375377, 407540, 433534, 441620, 446285, 494870, 618268, 692818, 740180, 750754, 772835, 867068, 892570, 905321, 989740, 1083835, 1385636, 1501508, 1517369, 1545670, 1732045, 1785140, 1810642, 1876885, 2167670, 2627639, 3034738, 3091340, 3464090, 3621284, 3753770, 4335340, 4526605, 5255278, 6069476, 6337247, 6928180, 7507540, 7586845, 9053210, 10510556, 12674494, 13138195, 15173690, 15390457, 18106420, 25348988, 26276390, 30347380, 30780914, 31686235, 52552780, 61561828, 63372470, 76952285, 107733199, 126744940, 153904570, 215466398, 307809140, 430932796, 538665995, 1077331990, 2154663980]

約数ペア:

[(1, 2154663980), (2, 1077331990), (4, 538665995), (5, 430932796), (7, 307809140), (10, 215466398), (14, 153904570), (17, 126744940), (20, 107733199), (28, 76952285), (34, 63372470), (35, 61561828), (41, 52552780), (68, 31686235), (70, 30780914), (71, 30347380), (82, 26276390), (85, 25348988), (119, 18106420), (140, 15390457), (142, 15173690), (164, 13138195), (170, 12674494), (205, 10510556), (238, 9053210), (284, 7586845), (287, 7507540), (311, 6928180), (340, 6337247), (355, 6069476), (410, 5255278), (476, 4526605), (497, 4335340), (574, 3753770), (595, 3621284), (622, 3464090), (697, 3091340), (710, 3034738), (820, 2627639), (994, 2167670), (1148, 1876885), (1190, 1810642), (1207, 1785140), (1244, 1732045), (1394, 1545670), (1420, 1517369), (1435, 1501508), (1555, 1385636), (1988, 1083835), (2177, 989740), (2380, 905321), (2414, 892570), (2485, 867068), (2788, 772835), (2870, 750754), (2911, 740180), (3110, 692818), (3485, 618268), (4354, 494870), (4828, 446285), (4879, 441620), (4970, 433534), (5287, 407540), (5740, 375377), (5822, 370090), (6035, 357028), (6220, 346409), (6970, 309134), (8449, 255020), (8708, 247435), (9758, 220810), (9940, 216767), (10574, 203770), (10885, 197948), (11644, 185045), (12070, 178514), (12751, 168980), (13940, 154567), (14555, 148036), (16898, 127510), (19516, 110405), (20377, 105740), (21148, 101885), (21770, 98974), (22081, 97580), (24140, 89257), (24395, 88324), (25502, 84490), (26435, 81508), (29110, 74018), (33796, 63755), (37009, 58220), (40754, 52870), (42245, 51004), (43540, 49487), (44162, 48790)]