404675908

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:706

約数の個数: 108

約数和(自身を含む): 940458960

約数和(自身を除く): 535783052

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 169, 182, 196, 247, 266, 338, 364, 494, 532, 637, 643, 676, 931, 988, 1183, 1274, 1286, 1729, 1862, 2366, 2548, 2572, 3211, 3458, 3724, 4501, 4732, 6422, 6916, 8281, 8359, 9002, 12103, 12217, 12844, 16562, 16718, 18004, 22477, 24206, 24434, 31507, 33124, 33436, 44954, 48412, 48868, 58513, 63014, 85519, 89908, 108667, 117026, 126028, 157339, 158821, 171038, 217334, 234052, 314678, 317642, 342076, 409591, 434668, 598633, 629356, 635284, 760669, 819182, 1111747, 1197266, 1521338, 1638364, 2064673, 2223494, 2394532, 3042676, 4129346, 4446988, 5324683, 7782229, 8258692, 10649366, 14452711, 15564458, 21298732, 28905422, 31128916, 57810844, 101168977, 202337954, 404675908]

約数ペア:

[(1, 404675908), (2, 202337954), (4, 101168977), (7, 57810844), (13, 31128916), (14, 28905422), (19, 21298732), (26, 15564458), (28, 14452711), (38, 10649366), (49, 8258692), (52, 7782229), (76, 5324683), (91, 4446988), (98, 4129346), (133, 3042676), (169, 2394532), (182, 2223494), (196, 2064673), (247, 1638364), (266, 1521338), (338, 1197266), (364, 1111747), (494, 819182), (532, 760669), (637, 635284), (643, 629356), (676, 598633), (931, 434668), (988, 409591), (1183, 342076), (1274, 317642), (1286, 314678), (1729, 234052), (1862, 217334), (2366, 171038), (2548, 158821), (2572, 157339), (3211, 126028), (3458, 117026), (3724, 108667), (4501, 89908), (4732, 85519), (6422, 63014), (6916, 58513), (8281, 48868), (8359, 48412), (9002, 44954), (12103, 33436), (12217, 33124), (12844, 31507), (16562, 24434), (16718, 24206), (18004, 22477)]