17749492060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{1303}}^1$

素因数の和:1643

約数の個数: 96

約数和(自身を含む): 39033372672

約数和(自身を除く): 21283880612

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 173, 254, 310, 346, 508, 620, 635, 692, 865, 1270, 1303, 1730, 2540, 2606, 3460, 3937, 5212, 5363, 6515, 7874, 10726, 13030, 15748, 19685, 21452, 21971, 26060, 26815, 39370, 40393, 43942, 53630, 78740, 80786, 87884, 107260, 109855, 161572, 165481, 201965, 219710, 225419, 330962, 403930, 439420, 450838, 661924, 681101, 807860, 827405, 901676, 1127095, 1362202, 1654810, 2254190, 2724404, 3309620, 3405505, 4508380, 5129911, 6811010, 6987989, 10259822, 13622020, 13975978, 20519644, 25649555, 27951956, 28628213, 34939945, 51299110, 57256426, 69879890, 102598220, 114512852, 139759780, 143141065, 286282130, 572564260, 887474603, 1774949206, 3549898412, 4437373015, 8874746030, 17749492060]

約数ペア:

[(1, 17749492060), (2, 8874746030), (4, 4437373015), (5, 3549898412), (10, 1774949206), (20, 887474603), (31, 572564260), (62, 286282130), (124, 143141065), (127, 139759780), (155, 114512852), (173, 102598220), (254, 69879890), (310, 57256426), (346, 51299110), (508, 34939945), (620, 28628213), (635, 27951956), (692, 25649555), (865, 20519644), (1270, 13975978), (1303, 13622020), (1730, 10259822), (2540, 6987989), (2606, 6811010), (3460, 5129911), (3937, 4508380), (5212, 3405505), (5363, 3309620), (6515, 2724404), (7874, 2254190), (10726, 1654810), (13030, 1362202), (15748, 1127095), (19685, 901676), (21452, 827405), (21971, 807860), (26060, 681101), (26815, 661924), (39370, 450838), (40393, 439420), (43942, 403930), (53630, 330962), (78740, 225419), (80786, 219710), (87884, 201965), (107260, 165481), (109855, 161572)]