117444520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 271411200

約数和(自身を除く): 153966680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 305, 379, 488, 508, 610, 635, 758, 1016, 1220, 1270, 1516, 1895, 2440, 2540, 3032, 3790, 5080, 7580, 7747, 15160, 15494, 23119, 30988, 38735, 46238, 48133, 61976, 77470, 92476, 96266, 115595, 154940, 184952, 192532, 231190, 240665, 309880, 385064, 462380, 481330, 924760, 962660, 1925320, 2936113, 5872226, 11744452, 14680565, 23488904, 29361130, 58722260, 117444520]

約数ペア:

[(1, 117444520), (2, 58722260), (4, 29361130), (5, 23488904), (8, 14680565), (10, 11744452), (20, 5872226), (40, 2936113), (61, 1925320), (122, 962660), (127, 924760), (244, 481330), (254, 462380), (305, 385064), (379, 309880), (488, 240665), (508, 231190), (610, 192532), (635, 184952), (758, 154940), (1016, 115595), (1220, 96266), (1270, 92476), (1516, 77470), (1895, 61976), (2440, 48133), (2540, 46238), (3032, 38735), (3790, 30988), (5080, 23119), (7580, 15494), (7747, 15160)]