2730778428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 7584192000

約数和(自身を除く): 4853413572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 149, 196, 213, 284, 294, 298, 426, 439, 447, 497, 588, 596, 852, 878, 894, 994, 1043, 1317, 1491, 1756, 1788, 1988, 2086, 2634, 2982, 3073, 3129, 3479, 4172, 5268, 5964, 6146, 6258, 6958, 7301, 9219, 10437, 10579, 12292, 12516, 13916, 14602, 18438, 20874, 21158, 21511, 21903, 29204, 31169, 31737, 36876, 41748, 42316, 43022, 43806, 62338, 63474, 64533, 65411, 74053, 86044, 87612, 93507, 124676, 126948, 129066, 130822, 148106, 187014, 196233, 218183, 222159, 258132, 261644, 296212, 374028, 392466, 436366, 444318, 457877, 518371, 654549, 784932, 872732, 888636, 915754, 1036742, 1309098, 1373631, 1527281, 1555113, 1831508, 2073484, 2618196, 2747262, 3054562, 3110226, 3205139, 4581843, 4644181, 5494524, 6109124, 6220452, 6410278, 9163686, 9288362, 9615417, 12820556, 13932543, 18327372, 18576724, 19230834, 27865086, 32509267, 38461668, 55730172, 65018534, 97527801, 130037068, 195055602, 227564869, 390111204, 455129738, 682694607, 910259476, 1365389214, 2730778428]

約数ペア:

[(1, 2730778428), (2, 1365389214), (3, 910259476), (4, 682694607), (6, 455129738), (7, 390111204), (12, 227564869), (14, 195055602), (21, 130037068), (28, 97527801), (42, 65018534), (49, 55730172), (71, 38461668), (84, 32509267), (98, 27865086), (142, 19230834), (147, 18576724), (149, 18327372), (196, 13932543), (213, 12820556), (284, 9615417), (294, 9288362), (298, 9163686), (426, 6410278), (439, 6220452), (447, 6109124), (497, 5494524), (588, 4644181), (596, 4581843), (852, 3205139), (878, 3110226), (894, 3054562), (994, 2747262), (1043, 2618196), (1317, 2073484), (1491, 1831508), (1756, 1555113), (1788, 1527281), (1988, 1373631), (2086, 1309098), (2634, 1036742), (2982, 915754), (3073, 888636), (3129, 872732), (3479, 784932), (4172, 654549), (5268, 518371), (5964, 457877), (6146, 444318), (6258, 436366), (6958, 392466), (7301, 374028), (9219, 296212), (10437, 261644), (10579, 258132), (12292, 222159), (12516, 218183), (13916, 196233), (14602, 187014), (18438, 148106), (20874, 130822), (21158, 129066), (21511, 126948), (21903, 124676), (29204, 93507), (31169, 87612), (31737, 86044), (36876, 74053), (41748, 65411), (42316, 64533), (43022, 63474), (43806, 62338)]