122867420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 284723712

約数和(自身を除く): 161856292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 127, 130, 244, 254, 260, 305, 508, 610, 635, 793, 1220, 1270, 1586, 1651, 2540, 3172, 3302, 3721, 3965, 6604, 7442, 7747, 7930, 8255, 14884, 15494, 15860, 16510, 18605, 30988, 33020, 37210, 38735, 48373, 74420, 77470, 96746, 100711, 154940, 193492, 201422, 241865, 402844, 472567, 483730, 503555, 945134, 967460, 1007110, 1890268, 2014220, 2362835, 4725670, 6143371, 9451340, 12286742, 24573484, 30716855, 61433710, 122867420]

約数ペア:

[(1, 122867420), (2, 61433710), (4, 30716855), (5, 24573484), (10, 12286742), (13, 9451340), (20, 6143371), (26, 4725670), (52, 2362835), (61, 2014220), (65, 1890268), (122, 1007110), (127, 967460), (130, 945134), (244, 503555), (254, 483730), (260, 472567), (305, 402844), (508, 241865), (610, 201422), (635, 193492), (793, 154940), (1220, 100711), (1270, 96746), (1586, 77470), (1651, 74420), (2540, 48373), (3172, 38735), (3302, 37210), (3721, 33020), (3965, 30988), (6604, 18605), (7442, 16510), (7747, 15860), (7930, 15494), (8255, 14884)]