405514228

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 850953600

約数和(自身を除く): 445439372

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 149, 259, 284, 298, 497, 518, 596, 994, 1036, 1043, 1369, 1988, 2086, 2627, 2738, 4172, 5254, 5476, 5513, 9583, 10508, 10579, 11026, 18389, 19166, 21158, 22052, 36778, 38332, 38591, 42316, 73556, 74053, 77182, 97199, 148106, 154364, 194398, 203981, 296212, 388796, 391423, 407962, 680393, 782846, 815924, 1360786, 1427867, 1565692, 2721572, 2739961, 2855734, 5479922, 5711468, 10959844, 14482651, 28965302, 57930604, 101378557, 202757114, 405514228]

約数ペア:

[(1, 405514228), (2, 202757114), (4, 101378557), (7, 57930604), (14, 28965302), (28, 14482651), (37, 10959844), (71, 5711468), (74, 5479922), (142, 2855734), (148, 2739961), (149, 2721572), (259, 1565692), (284, 1427867), (298, 1360786), (497, 815924), (518, 782846), (596, 680393), (994, 407962), (1036, 391423), (1043, 388796), (1369, 296212), (1988, 203981), (2086, 194398), (2627, 154364), (2738, 148106), (4172, 97199), (5254, 77182), (5476, 74053), (5513, 73556), (9583, 42316), (10508, 38591), (10579, 38332), (11026, 36778), (18389, 22052), (19166, 21158)]