7804820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 18434304

約数和(自身を除く): 10629484

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 47, 76, 92, 94, 95, 115, 188, 190, 230, 235, 361, 380, 437, 460, 470, 722, 874, 893, 940, 1081, 1444, 1748, 1786, 1805, 2162, 2185, 3572, 3610, 4324, 4370, 4465, 5405, 7220, 8303, 8740, 8930, 10810, 16606, 16967, 17860, 20539, 21620, 33212, 33934, 41078, 41515, 67868, 82156, 83030, 84835, 102695, 166060, 169670, 205390, 339340, 390241, 410780, 780482, 1560964, 1951205, 3902410, 7804820]

約数ペア:

[(1, 7804820), (2, 3902410), (4, 1951205), (5, 1560964), (10, 780482), (19, 410780), (20, 390241), (23, 339340), (38, 205390), (46, 169670), (47, 166060), (76, 102695), (92, 84835), (94, 83030), (95, 82156), (115, 67868), (188, 41515), (190, 41078), (230, 33934), (235, 33212), (361, 21620), (380, 20539), (437, 17860), (460, 16967), (470, 16606), (722, 10810), (874, 8930), (893, 8740), (940, 8303), (1081, 7220), (1444, 5405), (1748, 4465), (1786, 4370), (1805, 4324), (2162, 3610), (2185, 3572)]